21323270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2917}}^1$

素因数の和:2984

約数の個数: 32

約数和(自身を含む): 41599008

約数和(自身を除く): 20275738

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 2917, 3655, 5834, 7310, 14585, 29170, 49589, 99178, 125431, 247945, 250862, 495890, 627155, 1254310, 2132327, 4264654, 10661635, 21323270]

約数ペア:

[(1, 21323270), (2, 10661635), (5, 4264654), (10, 2132327), (17, 1254310), (34, 627155), (43, 495890), (85, 250862), (86, 247945), (170, 125431), (215, 99178), (430, 49589), (731, 29170), (1462, 14585), (2917, 7310), (3655, 5834)]