21452400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:184

約数の個数: 180

約数和(自身を含む): 76457160

約数和(自身を除く): 55004760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 59, 60, 72, 75, 80, 90, 100, 101, 118, 120, 144, 150, 177, 180, 200, 202, 225, 236, 240, 295, 300, 303, 354, 360, 400, 404, 450, 472, 505, 531, 590, 600, 606, 708, 720, 808, 885, 900, 909, 944, 1010, 1062, 1180, 1200, 1212, 1416, 1475, 1515, 1616, 1770, 1800, 1818, 2020, 2124, 2360, 2424, 2525, 2655, 2832, 2950, 3030, 3540, 3600, 3636, 4040, 4248, 4425, 4545, 4720, 4848, 5050, 5310, 5900, 5959, 6060, 7080, 7272, 7575, 8080, 8496, 8850, 9090, 10100, 10620, 11800, 11918, 12120, 13275, 14160, 14544, 15150, 17700, 17877, 18180, 20200, 21240, 22725, 23600, 23836, 24240, 26550, 29795, 30300, 35400, 35754, 36360, 40400, 42480, 45450, 47672, 53100, 53631, 59590, 60600, 70800, 71508, 72720, 89385, 90900, 95344, 106200, 107262, 119180, 121200, 143016, 148975, 178770, 181800, 212400, 214524, 238360, 268155, 286032, 297950, 357540, 363600, 429048, 446925, 476720, 536310, 595900, 715080, 858096, 893850, 1072620, 1191800, 1340775, 1430160, 1787700, 2145240, 2383600, 2681550, 3575400, 4290480, 5363100, 7150800, 10726200, 21452400]

約数ペア:

[(1, 21452400), (2, 10726200), (3, 7150800), (4, 5363100), (5, 4290480), (6, 3575400), (8, 2681550), (9, 2383600), (10, 2145240), (12, 1787700), (15, 1430160), (16, 1340775), (18, 1191800), (20, 1072620), (24, 893850), (25, 858096), (30, 715080), (36, 595900), (40, 536310), (45, 476720), (48, 446925), (50, 429048), (59, 363600), (60, 357540), (72, 297950), (75, 286032), (80, 268155), (90, 238360), (100, 214524), (101, 212400), (118, 181800), (120, 178770), (144, 148975), (150, 143016), (177, 121200), (180, 119180), (200, 107262), (202, 106200), (225, 95344), (236, 90900), (240, 89385), (295, 72720), (300, 71508), (303, 70800), (354, 60600), (360, 59590), (400, 53631), (404, 53100), (450, 47672), (472, 45450), (505, 42480), (531, 40400), (590, 36360), (600, 35754), (606, 35400), (708, 30300), (720, 29795), (808, 26550), (885, 24240), (900, 23836), (909, 23600), (944, 22725), (1010, 21240), (1062, 20200), (1180, 18180), (1200, 17877), (1212, 17700), (1416, 15150), (1475, 14544), (1515, 14160), (1616, 13275), (1770, 12120), (1800, 11918), (1818, 11800), (2020, 10620), (2124, 10100), (2360, 9090), (2424, 8850), (2525, 8496), (2655, 8080), (2832, 7575), (2950, 7272), (3030, 7080), (3540, 6060), (3600, 5959), (3636, 5900), (4040, 5310), (4248, 5050), (4425, 4848), (4545, 4720)]