21034513116

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1193}}^1\times {\mathrm{5503}}^1$

素因数の和:6795

約数の個数: 72

約数和(自身を含む): 53822845440

約数和(自身を除く): 32788332324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1193, 1602, 2386, 3204, 3579, 4772, 5503, 7158, 10737, 11006, 14316, 16509, 21474, 22012, 33018, 42948, 49527, 66036, 99054, 106177, 198108, 212354, 318531, 424708, 489767, 637062, 955593, 979534, 1274124, 1469301, 1911186, 1959068, 2938602, 3822372, 4407903, 5877204, 6565079, 8815806, 13130158, 17631612, 19695237, 26260316, 39390474, 59085711, 78780948, 118171422, 236342844, 584292031, 1168584062, 1752876093, 2337168124, 3505752186, 5258628279, 7011504372, 10517256558, 21034513116]

約数ペア:

[(1, 21034513116), (2, 10517256558), (3, 7011504372), (4, 5258628279), (6, 3505752186), (9, 2337168124), (12, 1752876093), (18, 1168584062), (36, 584292031), (89, 236342844), (178, 118171422), (267, 78780948), (356, 59085711), (534, 39390474), (801, 26260316), (1068, 19695237), (1193, 17631612), (1602, 13130158), (2386, 8815806), (3204, 6565079), (3579, 5877204), (4772, 4407903), (5503, 3822372), (7158, 2938602), (10737, 1959068), (11006, 1911186), (14316, 1469301), (16509, 1274124), (21474, 979534), (22012, 955593), (33018, 637062), (42948, 489767), (49527, 424708), (66036, 318531), (99054, 212354), (106177, 198108)]