21457800000

素因数分解:

$2^6\times 3^2\times 5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 1008

約数和(自身を含む): 95339147904

約数和(自身を除く): 73881347904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 25, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 50, 52, 56, 60, 63, 64, 65, 70, 72, 75, 78, 80, 84, 90, 91, 96, 100, 104, 105, 112, 117, 120, 125, 126, 130, 131, 140, 144, 150, 156, 160, 168, 175, 180, 182, 192, 195, 200, 208, 210, 224, 225, 234, 240, 250, 252, 260, 262, 273, 280, 288, 300, 312, 315, 320, 325, 336, 350, 360, 364, 375, 390, 393, 400, 416, 420, 448, 450, 455, 468, 480, 500, 504, 520, 524, 525, 546, 560, 576, 585, 600, 624, 625, 630, 650, 655, 672, 700, 720, 728, 750, 780, 786, 800, 819, 832, 840, 875, 900, 910, 917, 936, 960, 975, 1000, 1008, 1040, 1048, 1050, 1092, 1120, 1125, 1170, 1179, 1200, 1248, 1250, 1260, 1300, 1310, 1344, 1365, 1400, 1440, 1456, 1500, 1560, 1572, 1575, 1600, 1625, 1638, 1680, 1703, 1750, 1800, 1820, 1834, 1872, 1875, 1950, 1965, 2000, 2016, 2080, 2096, 2100, 2184, 2240, 2250, 2275, 2340, 2358, 2400, 2496, 2500, 2520, 2600, 2620, 2625, 2730, 2751, 2800, 2880, 2912, 2925, 3000, 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約数ペア:

[(1, 21457800000), (2, 10728900000), (3, 7152600000), (4, 5364450000), (5, 4291560000), (6, 3576300000), (7, 3065400000), (8, 2682225000), (9, 2384200000), (10, 2145780000), (12, 1788150000), (13, 1650600000), (14, 1532700000), (15, 1430520000), (16, 1341112500), (18, 1192100000), (20, 1072890000), (21, 1021800000), (24, 894075000), (25, 858312000), (26, 825300000), (28, 766350000), (30, 715260000), (32, 670556250), (35, 613080000), (36, 596050000), (39, 550200000), (40, 536445000), (42, 510900000), (45, 476840000), (48, 447037500), (50, 429156000), (52, 412650000), (56, 383175000), (60, 357630000), (63, 340600000), (64, 335278125), (65, 330120000), (70, 306540000), (72, 298025000), (75, 286104000), (78, 275100000), (80, 268222500), (84, 255450000), (90, 238420000), (91, 235800000), (96, 223518750), (100, 214578000), (104, 206325000), (105, 204360000), (112, 191587500), (117, 183400000), (120, 178815000), (125, 171662400), (126, 170300000), (130, 165060000), (131, 163800000), (140, 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(1965, 10920000), (2000, 10728900), (2016, 10643750), (2080, 10316250), (2096, 10237500), (2100, 10218000), (2184, 9825000), (2240, 9579375), (2250, 9536800), (2275, 9432000), (2340, 9170000), (2358, 9100000), (2400, 8940750), (2496, 8596875), (2500, 8583120), (2520, 8515000), (2600, 8253000), (2620, 8190000), (2625, 8174400), (2730, 7860000), (2751, 7800000), (2800, 7663500), (2880, 7450625), (2912, 7368750), (2925, 7336000), (3000, 7152600), (3120, 6877500), (3125, 6866496), (3144, 6825000), (3150, 6812000), (3250, 6602400), (3275, 6552000), (3276, 6550000), (3360, 6386250), (3406, 6300000), (3500, 6130800), (3600, 5960500), (3640, 5895000), (3668, 5850000), (3744, 5731250), (3750, 5722080), (3900, 5502000), (3930, 5460000), (4000, 5364450), (4032, 5321875), (4095, 5240000), (4160, 5158125), (4192, 5118750), (4200, 5109000), (4368, 4912500), (4375, 4904640), (4500, 4768400), (4550, 4716000), (4585, 4680000), (4680, 4585000), (4716, 4550000), (4800, 4470375), (4875, 4401600), (5000, 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