21214912

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:114

約数の個数: 84

約数和(自身を含む): 47410624

約数和(自身を除く): 26195712

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 37, 62, 64, 68, 74, 124, 136, 148, 248, 272, 289, 296, 496, 527, 544, 578, 592, 629, 992, 1054, 1088, 1147, 1156, 1184, 1258, 1984, 2108, 2294, 2312, 2368, 2516, 4216, 4588, 4624, 5032, 8432, 8959, 9176, 9248, 10064, 10693, 16864, 17918, 18352, 18496, 19499, 20128, 21386, 33728, 35836, 36704, 38998, 40256, 42772, 71672, 73408, 77996, 85544, 143344, 155992, 171088, 286688, 311984, 331483, 342176, 573376, 623968, 662966, 684352, 1247936, 1325932, 2651864, 5303728, 10607456, 21214912]

約数ペア:

[(1, 21214912), (2, 10607456), (4, 5303728), (8, 2651864), (16, 1325932), (17, 1247936), (31, 684352), (32, 662966), (34, 623968), (37, 573376), (62, 342176), (64, 331483), (68, 311984), (74, 286688), (124, 171088), (136, 155992), (148, 143344), (248, 85544), (272, 77996), (289, 73408), (296, 71672), (496, 42772), (527, 40256), (544, 38998), (578, 36704), (592, 35836), (629, 33728), (992, 21386), (1054, 20128), (1088, 19499), (1147, 18496), (1156, 18352), (1184, 17918), (1258, 16864), (1984, 10693), (2108, 10064), (2294, 9248), (2312, 9176), (2368, 8959), (2516, 8432), (4216, 5032), (4588, 4624)]