21960338

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 35707392

約数和(自身を除く): 13747054

約数列:

[1, 2, 31, 41, 53, 62, 82, 106, 163, 326, 1271, 1643, 2173, 2542, 3286, 4346, 5053, 6683, 8639, 10106, 13366, 17278, 67363, 134726, 207173, 267809, 354199, 414346, 535618, 708398, 10980169, 21960338]

約数ペア:

[(1, 21960338), (2, 10980169), (31, 708398), (41, 535618), (53, 414346), (62, 354199), (82, 267809), (106, 207173), (163, 134726), (326, 67363), (1271, 17278), (1643, 13366), (2173, 10106), (2542, 8639), (3286, 6683), (4346, 5053)]