21304374

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39019}}^1$

素因数の和:39044

約数の個数: 32

約数和(自身を含む): 52442880

約数和(自身を除く): 31138506

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 39019, 78038, 117057, 234114, 273133, 507247, 546266, 819399, 1014494, 1521741, 1638798, 3043482, 3550729, 7101458, 10652187, 21304374]

約数ペア:

[(1, 21304374), (2, 10652187), (3, 7101458), (6, 3550729), (7, 3043482), (13, 1638798), (14, 1521741), (21, 1014494), (26, 819399), (39, 546266), (42, 507247), (78, 273133), (91, 234114), (182, 117057), (273, 78038), (546, 39019)]