21000724818

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3072977}}^1$

素因数の和:3073066

約数の個数: 32

約数和(自身を含む): 45135900864

約数和(自身を除く): 24135176046

約数列:

[1, 2, 3, 6, 17, 34, 51, 67, 102, 134, 201, 402, 1139, 2278, 3417, 6834, 3072977, 6145954, 9218931, 18437862, 52240609, 104481218, 156721827, 205889459, 313443654, 411778918, 617668377, 1235336754, 3500120803, 7000241606, 10500362409, 21000724818]

約数ペア:

[(1, 21000724818), (2, 10500362409), (3, 7000241606), (6, 3500120803), (17, 1235336754), (34, 617668377), (51, 411778918), (67, 313443654), (102, 205889459), (134, 156721827), (201, 104481218), (402, 52240609), (1139, 18437862), (2278, 9218931), (3417, 6145954), (6834, 3072977)]