21708924

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 52663296

約数和(自身を除く): 30954372

約数列:

[1, 2, 3, 4, 6, 12, 47, 61, 94, 122, 141, 183, 188, 244, 282, 366, 564, 631, 732, 1262, 1893, 2524, 2867, 3786, 5734, 7572, 8601, 11468, 17202, 29657, 34404, 38491, 59314, 76982, 88971, 115473, 118628, 153964, 177942, 230946, 355884, 461892, 1809077, 3618154, 5427231, 7236308, 10854462, 21708924]

約数ペア:

[(1, 21708924), (2, 10854462), (3, 7236308), (4, 5427231), (6, 3618154), (12, 1809077), (47, 461892), (61, 355884), (94, 230946), (122, 177942), (141, 153964), (183, 118628), (188, 115473), (244, 88971), (282, 76982), (366, 59314), (564, 38491), (631, 34404), (732, 29657), (1262, 17202), (1893, 11468), (2524, 8601), (2867, 7572), (3786, 5734)]