21301812

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1483}}^1$

素因数の和:1522

約数の個数: 96

約数和(自身を含む): 66483200

約数和(自身を除く): 45181388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 342, 378, 399, 513, 532, 684, 756, 798, 1026, 1197, 1483, 1596, 2052, 2394, 2966, 3591, 4449, 4788, 5932, 7182, 8898, 10381, 13347, 14364, 17796, 20762, 26694, 28177, 31143, 40041, 41524, 53388, 56354, 62286, 80082, 84531, 93429, 112708, 124572, 160164, 169062, 186858, 197239, 253593, 280287, 338124, 373716, 394478, 507186, 560574, 591717, 760779, 788956, 1014372, 1121148, 1183434, 1521558, 1775151, 2366868, 3043116, 3550302, 5325453, 7100604, 10650906, 21301812]

約数ペア:

[(1, 21301812), (2, 10650906), (3, 7100604), (4, 5325453), (6, 3550302), (7, 3043116), (9, 2366868), (12, 1775151), (14, 1521558), (18, 1183434), (19, 1121148), (21, 1014372), (27, 788956), (28, 760779), (36, 591717), (38, 560574), (42, 507186), (54, 394478), (57, 373716), (63, 338124), (76, 280287), (84, 253593), (108, 197239), (114, 186858), (126, 169062), (133, 160164), (171, 124572), (189, 112708), (228, 93429), (252, 84531), (266, 80082), (342, 62286), (378, 56354), (399, 53388), (513, 41524), (532, 40041), (684, 31143), (756, 28177), (798, 26694), (1026, 20762), (1197, 17796), (1483, 14364), (1596, 13347), (2052, 10381), (2394, 8898), (2966, 7182), (3591, 5932), (4449, 4788)]