21991770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1733}}^1$

素因数の和:1796

約数の個数: 64

約数和(自身を含む): 59927040

約数和(自身を除く): 37935270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 90, 94, 135, 141, 235, 270, 282, 423, 470, 705, 846, 1269, 1410, 1733, 2115, 2538, 3466, 4230, 5199, 6345, 8665, 10398, 12690, 15597, 17330, 25995, 31194, 46791, 51990, 77985, 81451, 93582, 155970, 162902, 233955, 244353, 407255, 467910, 488706, 733059, 814510, 1221765, 1466118, 2199177, 2443530, 3665295, 4398354, 7330590, 10995885, 21991770]

約数ペア:

[(1, 21991770), (2, 10995885), (3, 7330590), (5, 4398354), (6, 3665295), (9, 2443530), (10, 2199177), (15, 1466118), (18, 1221765), (27, 814510), (30, 733059), (45, 488706), (47, 467910), (54, 407255), (90, 244353), (94, 233955), (135, 162902), (141, 155970), (235, 93582), (270, 81451), (282, 77985), (423, 51990), (470, 46791), (705, 31194), (846, 25995), (1269, 17330), (1410, 15597), (1733, 12690), (2115, 10398), (2538, 8665), (3466, 6345), (4230, 5199)]