21106854

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 47586240

約数和(自身を除く): 26479386

約数列:

[1, 2, 3, 6, 9, 18, 47, 61, 94, 122, 141, 183, 282, 366, 409, 423, 549, 818, 846, 1098, 1227, 2454, 2867, 3681, 5734, 7362, 8601, 17202, 19223, 24949, 25803, 38446, 49898, 51606, 57669, 74847, 115338, 149694, 173007, 224541, 346014, 449082, 1172603, 2345206, 3517809, 7035618, 10553427, 21106854]

約数ペア:

[(1, 21106854), (2, 10553427), (3, 7035618), (6, 3517809), (9, 2345206), (18, 1172603), (47, 449082), (61, 346014), (94, 224541), (122, 173007), (141, 149694), (183, 115338), (282, 74847), (366, 57669), (409, 51606), (423, 49898), (549, 38446), (818, 25803), (846, 24949), (1098, 19223), (1227, 17202), (2454, 8601), (2867, 7362), (3681, 5734)]