21756648

素因数分解:

$2^3\times 3^1\times {\mathrm{239}}^1\times {\mathrm{3793}}^1$

素因数の和:4041

約数の個数: 32

約数和(自身を含む): 54633600

約数和(自身を除く): 32876952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 239, 478, 717, 956, 1434, 1912, 2868, 3793, 5736, 7586, 11379, 15172, 22758, 30344, 45516, 91032, 906527, 1813054, 2719581, 3626108, 5439162, 7252216, 10878324, 21756648]

約数ペア:

[(1, 21756648), (2, 10878324), (3, 7252216), (4, 5439162), (6, 3626108), (8, 2719581), (12, 1813054), (24, 906527), (239, 91032), (478, 45516), (717, 30344), (956, 22758), (1434, 15172), (1912, 11379), (2868, 7586), (3793, 5736)]