21916140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 42434580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 59, 60, 82, 118, 123, 151, 164, 177, 205, 236, 246, 295, 302, 354, 410, 453, 492, 590, 604, 615, 708, 755, 820, 885, 906, 1180, 1230, 1510, 1770, 1812, 2265, 2419, 2460, 3020, 3540, 4530, 4838, 6191, 7257, 8909, 9060, 9676, 12095, 12382, 14514, 17818, 18573, 24190, 24764, 26727, 29028, 30955, 35636, 36285, 37146, 44545, 48380, 53454, 61910, 72570, 74292, 89090, 92865, 106908, 123820, 133635, 145140, 178180, 185730, 267270, 365269, 371460, 534540, 730538, 1095807, 1461076, 1826345, 2191614, 3652690, 4383228, 5479035, 7305380, 10958070, 21916140]

約数ペア:

[(1, 21916140), (2, 10958070), (3, 7305380), (4, 5479035), (5, 4383228), (6, 3652690), (10, 2191614), (12, 1826345), (15, 1461076), (20, 1095807), (30, 730538), (41, 534540), (59, 371460), (60, 365269), (82, 267270), (118, 185730), (123, 178180), (151, 145140), (164, 133635), (177, 123820), (205, 106908), (236, 92865), (246, 89090), (295, 74292), (302, 72570), (354, 61910), (410, 53454), (453, 48380), (492, 44545), (590, 37146), (604, 36285), (615, 35636), (708, 30955), (755, 29028), (820, 26727), (885, 24764), (906, 24190), (1180, 18573), (1230, 17818), (1510, 14514), (1770, 12382), (1812, 12095), (2265, 9676), (2419, 9060), (2460, 8909), (3020, 7257), (3540, 6191), (4530, 4838)]