21973253

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 24104640

約数和(自身を除く): 2131387

約数列:

[1, 19, 41, 67, 421, 779, 1273, 2747, 7999, 17261, 28207, 52193, 327959, 535933, 1156487, 21973253]

約数ペア:

[(1, 21973253), (19, 1156487), (41, 535933), (67, 327959), (421, 52193), (779, 28207), (1273, 17261), (2747, 7999)]