21182871332

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3491}}^1\times {\mathrm{5857}}^1$

素因数の和:9396

約数の個数: 48

約数和(自身を含む): 43530657408

約数和(自身を除く): 22347786076

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 3491, 5857, 6982, 11714, 13964, 23428, 24437, 40999, 48874, 81998, 97748, 129167, 163996, 216709, 258334, 433418, 516668, 866836, 904169, 1516963, 1808338, 3033926, 3616676, 6067852, 20446787, 40893574, 81787148, 143127509, 286255018, 572510036, 756531119, 1513062238, 3026124476, 5295717833, 10591435666, 21182871332]

約数ペア:

[(1, 21182871332), (2, 10591435666), (4, 5295717833), (7, 3026124476), (14, 1513062238), (28, 756531119), (37, 572510036), (74, 286255018), (148, 143127509), (259, 81787148), (518, 40893574), (1036, 20446787), (3491, 6067852), (5857, 3616676), (6982, 3033926), (11714, 1808338), (13964, 1516963), (23428, 904169), (24437, 866836), (40999, 516668), (48874, 433418), (81998, 258334), (97748, 216709), (129167, 163996)]