21090602

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 35610624

約数和(自身を除く): 14520022

約数列:

[1, 2, 13, 26, 31, 62, 137, 191, 274, 382, 403, 806, 1781, 2483, 3562, 4247, 4966, 5921, 8494, 11842, 26167, 52334, 55211, 76973, 110422, 153946, 340171, 680342, 811177, 1622354, 10545301, 21090602]

約数ペア:

[(1, 21090602), (2, 10545301), (13, 1622354), (26, 811177), (31, 680342), (62, 340171), (137, 153946), (191, 110422), (274, 76973), (382, 55211), (403, 52334), (806, 26167), (1781, 11842), (2483, 8494), (3562, 5921), (4247, 4966)]