21056976

素因数分解:

$2^4\times 3^3\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:713

約数の個数: 80

約数和(自身を含む): 61305600

約数和(自身を除く): 40248624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 79, 108, 144, 158, 216, 237, 316, 432, 474, 617, 632, 711, 948, 1234, 1264, 1422, 1851, 1896, 2133, 2468, 2844, 3702, 3792, 4266, 4936, 5553, 5688, 7404, 8532, 9872, 11106, 11376, 14808, 16659, 17064, 22212, 29616, 33318, 34128, 44424, 48743, 66636, 88848, 97486, 133272, 146229, 194972, 266544, 292458, 389944, 438687, 584916, 779888, 877374, 1169832, 1316061, 1754748, 2339664, 2632122, 3509496, 5264244, 7018992, 10528488, 21056976]

約数ペア:

[(1, 21056976), (2, 10528488), (3, 7018992), (4, 5264244), (6, 3509496), (8, 2632122), (9, 2339664), (12, 1754748), (16, 1316061), (18, 1169832), (24, 877374), (27, 779888), (36, 584916), (48, 438687), (54, 389944), (72, 292458), (79, 266544), (108, 194972), (144, 146229), (158, 133272), (216, 97486), (237, 88848), (316, 66636), (432, 48743), (474, 44424), (617, 34128), (632, 33318), (711, 29616), (948, 22212), (1234, 17064), (1264, 16659), (1422, 14808), (1851, 11376), (1896, 11106), (2133, 9872), (2468, 8532), (2844, 7404), (3702, 5688), (3792, 5553), (4266, 4936)]