21665454

素因数分解:

$2^1\times 3^1\times {\mathrm{137}}^1\times {\mathrm{26357}}^1$

素因数の和:26499

約数の個数: 16

約数和(自身を含む): 43648848

約数和(自身を除く): 21983394

約数列:

[1, 2, 3, 6, 137, 274, 411, 822, 26357, 52714, 79071, 158142, 3610909, 7221818, 10832727, 21665454]

約数ペア:

[(1, 21665454), (2, 10832727), (3, 7221818), (6, 3610909), (137, 158142), (274, 79071), (411, 52714), (822, 26357)]