21551832

素因数分解:

$2^3\times 3^4\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 61274400

約数和(自身を除く): 39722568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 79, 81, 108, 158, 162, 216, 237, 316, 324, 421, 474, 632, 648, 711, 842, 948, 1263, 1422, 1684, 1896, 2133, 2526, 2844, 3368, 3789, 4266, 5052, 5688, 6399, 7578, 8532, 10104, 11367, 12798, 15156, 17064, 22734, 25596, 30312, 33259, 34101, 45468, 51192, 66518, 68202, 90936, 99777, 133036, 136404, 199554, 266072, 272808, 299331, 399108, 598662, 798216, 897993, 1197324, 1795986, 2394648, 2693979, 3591972, 5387958, 7183944, 10775916, 21551832]

約数ペア:

[(1, 21551832), (2, 10775916), (3, 7183944), (4, 5387958), (6, 3591972), (8, 2693979), (9, 2394648), (12, 1795986), (18, 1197324), (24, 897993), (27, 798216), (36, 598662), (54, 399108), (72, 299331), (79, 272808), (81, 266072), (108, 199554), (158, 136404), (162, 133036), (216, 99777), (237, 90936), (316, 68202), (324, 66518), (421, 51192), (474, 45468), (632, 34101), (648, 33259), (711, 30312), (842, 25596), (948, 22734), (1263, 17064), (1422, 15156), (1684, 12798), (1896, 11367), (2133, 10104), (2526, 8532), (2844, 7578), (3368, 6399), (3789, 5688), (4266, 5052)]