21000786636

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{3319}}^1\times {\mathrm{14251}}^1$

素因数の和:17614

約数の個数: 48

約数和(自身を含む): 50344904960

約数和(自身を除く): 29344118324

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 3319, 6638, 9957, 13276, 14251, 19914, 28502, 39828, 42753, 57004, 85506, 122803, 171012, 245606, 368409, 491212, 527287, 736818, 1054574, 1473636, 1581861, 2109148, 3163722, 6327444, 47299069, 94598138, 141897207, 189196276, 283794414, 567588828, 1750065553, 3500131106, 5250196659, 7000262212, 10500393318, 21000786636]

約数ペア:

[(1, 21000786636), (2, 10500393318), (3, 7000262212), (4, 5250196659), (6, 3500131106), (12, 1750065553), (37, 567588828), (74, 283794414), (111, 189196276), (148, 141897207), (222, 94598138), (444, 47299069), (3319, 6327444), (6638, 3163722), (9957, 2109148), (13276, 1581861), (14251, 1473636), (19914, 1054574), (28502, 736818), (39828, 527287), (42753, 491212), (57004, 368409), (85506, 245606), (122803, 171012)]