21660430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2939}}^1$

素因数の和:3024

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 21522290

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 335, 670, 737, 1474, 2939, 3685, 5878, 7370, 14695, 29390, 32329, 64658, 161645, 196913, 323290, 393826, 984565, 1969130, 2166043, 4332086, 10830215, 21660430]

約数ペア:

[(1, 21660430), (2, 10830215), (5, 4332086), (10, 2166043), (11, 1969130), (22, 984565), (55, 393826), (67, 323290), (110, 196913), (134, 161645), (335, 64658), (670, 32329), (737, 29390), (1474, 14695), (2939, 7370), (3685, 5878)]