21656553395

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{9907}}^1$

素因数の和:10151

約数の個数: 32

約数和(自身を含む): 27081179712

約数和(自身を除く): 5424626317

約数列:

[1, 5, 53, 73, 113, 265, 365, 565, 3869, 5989, 8249, 9907, 19345, 29945, 41245, 49535, 437197, 525071, 723211, 1119491, 2185985, 2625355, 3616055, 5597455, 38330183, 59333023, 81722843, 191650915, 296665115, 408614215, 4331310679, 21656553395]

約数ペア:

[(1, 21656553395), (5, 4331310679), (53, 408614215), (73, 296665115), (113, 191650915), (265, 81722843), (365, 59333023), (565, 38330183), (3869, 5597455), (5989, 3616055), (8249, 2625355), (9907, 2185985), (19345, 1119491), (29945, 723211), (41245, 525071), (49535, 437197)]