21531546

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 49241088

約数和(自身を除く): 27709542

約数列:

[1, 2, 3, 6, 9, 18, 31, 47, 62, 93, 94, 141, 186, 279, 282, 423, 558, 821, 846, 1457, 1642, 2463, 2914, 4371, 4926, 7389, 8742, 13113, 14778, 25451, 26226, 38587, 50902, 76353, 77174, 115761, 152706, 229059, 231522, 347283, 458118, 694566, 1196197, 2392394, 3588591, 7177182, 10765773, 21531546]

約数ペア:

[(1, 21531546), (2, 10765773), (3, 7177182), (6, 3588591), (9, 2392394), (18, 1196197), (31, 694566), (47, 458118), (62, 347283), (93, 231522), (94, 229059), (141, 152706), (186, 115761), (279, 77174), (282, 76353), (423, 50902), (558, 38587), (821, 26226), (846, 25451), (1457, 14778), (1642, 13113), (2463, 8742), (2914, 7389), (4371, 4926)]