21702510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{823}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 56687904

約数和(自身を除く): 34985394

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 293, 586, 823, 879, 1465, 1646, 1758, 2469, 2637, 2930, 4115, 4395, 4938, 5274, 7407, 8230, 8790, 12345, 13185, 14814, 24690, 26370, 37035, 74070, 241139, 482278, 723417, 1205695, 1446834, 2170251, 2411390, 3617085, 4340502, 7234170, 10851255, 21702510]

約数ペア:

[(1, 21702510), (2, 10851255), (3, 7234170), (5, 4340502), (6, 3617085), (9, 2411390), (10, 2170251), (15, 1446834), (18, 1205695), (30, 723417), (45, 482278), (90, 241139), (293, 74070), (586, 37035), (823, 26370), (879, 24690), (1465, 14814), (1646, 13185), (1758, 12345), (2469, 8790), (2637, 8230), (2930, 7407), (4115, 5274), (4395, 4938)]