21530600

素因数分解:

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

素因数の和:69

約数の個数: 144

約数和(自身を含む): 63081900

約数和(自身を除く): 41551300

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 130, 140, 169, 175, 182, 196, 200, 245, 260, 280, 325, 338, 350, 364, 392, 455, 490, 520, 637, 650, 676, 700, 728, 845, 910, 980, 1183, 1225, 1274, 1300, 1352, 1400, 1690, 1820, 1960, 2197, 2275, 2366, 2450, 2548, 2600, 3185, 3380, 3640, 4225, 4394, 4550, 4732, 4900, 5096, 5915, 6370, 6760, 8281, 8450, 8788, 9100, 9464, 9800, 10985, 11830, 12740, 15379, 15925, 16562, 16900, 17576, 18200, 21970, 23660, 25480, 29575, 30758, 31850, 33124, 33800, 41405, 43940, 47320, 54925, 59150, 61516, 63700, 66248, 76895, 82810, 87880, 107653, 109850, 118300, 123032, 127400, 153790, 165620, 207025, 215306, 219700, 236600, 307580, 331240, 384475, 414050, 430612, 439400, 538265, 615160, 768950, 828100, 861224, 1076530, 1537900, 1656200, 2153060, 2691325, 3075800, 4306120, 5382650, 10765300, 21530600]

約数ペア:

[(1, 21530600), (2, 10765300), (4, 5382650), (5, 4306120), (7, 3075800), (8, 2691325), (10, 2153060), (13, 1656200), (14, 1537900), (20, 1076530), (25, 861224), (26, 828100), (28, 768950), (35, 615160), (40, 538265), (49, 439400), (50, 430612), (52, 414050), (56, 384475), (65, 331240), (70, 307580), (91, 236600), (98, 219700), (100, 215306), (104, 207025), (130, 165620), (140, 153790), (169, 127400), (175, 123032), (182, 118300), (196, 109850), (200, 107653), (245, 87880), (260, 82810), (280, 76895), (325, 66248), (338, 63700), (350, 61516), (364, 59150), (392, 54925), (455, 47320), (490, 43940), (520, 41405), (637, 33800), (650, 33124), (676, 31850), (700, 30758), (728, 29575), (845, 25480), (910, 23660), (980, 21970), (1183, 18200), (1225, 17576), (1274, 16900), (1300, 16562), (1352, 15925), (1400, 15379), (1690, 12740), (1820, 11830), (1960, 10985), (2197, 9800), (2275, 9464), (2366, 9100), (2450, 8788), (2548, 8450), (2600, 8281), (3185, 6760), (3380, 6370), (3640, 5915), (4225, 5096), (4394, 4900), (4550, 4732)]