15721824

素因数分解:

$2^5\times 3^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:823

約数の個数: 48

約数和(自身を含む): 41474160

約数和(自身を除く): 25752336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 389, 421, 778, 842, 1167, 1263, 1556, 1684, 2334, 2526, 3112, 3368, 4668, 5052, 6224, 6736, 9336, 10104, 12448, 13472, 18672, 20208, 37344, 40416, 163769, 327538, 491307, 655076, 982614, 1310152, 1965228, 2620304, 3930456, 5240608, 7860912, 15721824]

約数ペア:

[(1, 15721824), (2, 7860912), (3, 5240608), (4, 3930456), (6, 2620304), (8, 1965228), (12, 1310152), (16, 982614), (24, 655076), (32, 491307), (48, 327538), (96, 163769), (389, 40416), (421, 37344), (778, 20208), (842, 18672), (1167, 13472), (1263, 12448), (1556, 10104), (1684, 9336), (2334, 6736), (2526, 6224), (3112, 5052), (3368, 4668)]