21382752

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^2\times {\mathrm{617}}^1$

素因数の和:668

約数の個数: 72

約数和(自身を含む): 59335416

約数和(自身を除く): 37952664

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 361, 456, 608, 617, 722, 912, 1083, 1234, 1444, 1824, 1851, 2166, 2468, 2888, 3702, 4332, 4936, 5776, 7404, 8664, 9872, 11552, 11723, 14808, 17328, 19744, 23446, 29616, 34656, 35169, 46892, 59232, 70338, 93784, 140676, 187568, 222737, 281352, 375136, 445474, 562704, 668211, 890948, 1125408, 1336422, 1781896, 2672844, 3563792, 5345688, 7127584, 10691376, 21382752]

約数ペア:

[(1, 21382752), (2, 10691376), (3, 7127584), (4, 5345688), (6, 3563792), (8, 2672844), (12, 1781896), (16, 1336422), (19, 1125408), (24, 890948), (32, 668211), (38, 562704), (48, 445474), (57, 375136), (76, 281352), (96, 222737), (114, 187568), (152, 140676), (228, 93784), (304, 70338), (361, 59232), (456, 46892), (608, 35169), (617, 34656), (722, 29616), (912, 23446), (1083, 19744), (1234, 17328), (1444, 14808), (1824, 11723), (1851, 11552), (2166, 9872), (2468, 8664), (2888, 7404), (3702, 5776), (4332, 4936)]