21965064

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 43698936

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 29, 33, 38, 44, 57, 58, 66, 76, 87, 88, 114, 116, 132, 151, 152, 174, 209, 228, 232, 264, 302, 319, 348, 418, 453, 456, 551, 604, 627, 638, 696, 836, 906, 957, 1102, 1208, 1254, 1276, 1653, 1661, 1672, 1812, 1914, 2204, 2508, 2552, 2869, 3306, 3322, 3624, 3828, 4379, 4408, 4983, 5016, 5738, 6061, 6612, 6644, 7656, 8607, 8758, 9966, 11476, 12122, 13137, 13224, 13288, 17214, 17516, 18183, 19932, 22952, 24244, 26274, 31559, 34428, 35032, 36366, 39864, 48169, 48488, 52548, 63118, 68856, 72732, 83201, 94677, 96338, 105096, 126236, 144507, 145464, 166402, 189354, 192676, 249603, 252472, 289014, 332804, 378708, 385352, 499206, 578028, 665608, 757416, 915211, 998412, 1156056, 1830422, 1996824, 2745633, 3660844, 5491266, 7321688, 10982532, 21965064]

約数ペア:

[(1, 21965064), (2, 10982532), (3, 7321688), (4, 5491266), (6, 3660844), (8, 2745633), (11, 1996824), (12, 1830422), (19, 1156056), (22, 998412), (24, 915211), (29, 757416), (33, 665608), (38, 578028), (44, 499206), (57, 385352), (58, 378708), (66, 332804), (76, 289014), (87, 252472), (88, 249603), (114, 192676), (116, 189354), (132, 166402), (151, 145464), (152, 144507), (174, 126236), (209, 105096), (228, 96338), (232, 94677), (264, 83201), (302, 72732), (319, 68856), (348, 63118), (418, 52548), (453, 48488), (456, 48169), (551, 39864), (604, 36366), (627, 35032), (638, 34428), (696, 31559), (836, 26274), (906, 24244), (957, 22952), (1102, 19932), (1208, 18183), (1254, 17516), (1276, 17214), (1653, 13288), (1661, 13224), (1672, 13137), (1812, 12122), (1914, 11476), (2204, 9966), (2508, 8758), (2552, 8607), (2869, 7656), (3306, 6644), (3322, 6612), (3624, 6061), (3828, 5738), (4379, 5016), (4408, 4983)]