21489406

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 35380800

約数和(自身を除く): 13891394

約数列:

[1, 2, 23, 29, 46, 58, 89, 178, 181, 362, 667, 1334, 2047, 2581, 4094, 4163, 5162, 5249, 8326, 10498, 16109, 32218, 59363, 118726, 120727, 241454, 370507, 467161, 741014, 934322, 10744703, 21489406]

約数ペア:

[(1, 21489406), (2, 10744703), (23, 934322), (29, 741014), (46, 467161), (58, 370507), (89, 241454), (178, 120727), (181, 118726), (362, 59363), (667, 32218), (1334, 16109), (2047, 10498), (2581, 8326), (4094, 5249), (4163, 5162)]