21859347440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1259179}}^1$

素因数の和:1259230

約数の個数: 80

約数和(自身を含む): 59957114880

約数和(自身を除く): 38097767440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 1259179, 2518358, 5036716, 6295895, 8814253, 10073432, 12591790, 17628506, 20146864, 25183580, 35257012, 39034549, 44071265, 50367160, 70514024, 78069098, 88142530, 100734320, 141028048, 156138196, 176285060, 195172745, 273241843, 312276392, 352570120, 390345490, 546483686, 624552784, 705140240, 780690980, 1092967372, 1366209215, 1561381960, 2185934744, 2732418430, 3122763920, 4371869488, 5464836860, 10929673720, 21859347440]

約数ペア:

[(1, 21859347440), (2, 10929673720), (4, 5464836860), (5, 4371869488), (7, 3122763920), (8, 2732418430), (10, 2185934744), (14, 1561381960), (16, 1366209215), (20, 1092967372), (28, 780690980), (31, 705140240), (35, 624552784), (40, 546483686), (56, 390345490), (62, 352570120), (70, 312276392), (80, 273241843), (112, 195172745), (124, 176285060), (140, 156138196), (155, 141028048), (217, 100734320), (248, 88142530), (280, 78069098), (310, 70514024), (434, 50367160), (496, 44071265), (560, 39034549), (620, 35257012), (868, 25183580), (1085, 20146864), (1240, 17628506), (1736, 12591790), (2170, 10073432), (2480, 8814253), (3472, 6295895), (4340, 5036716), (8680, 2518358), (17360, 1259179)]