21158208

素因数分解:

$2^6\times 3^2\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:464

約数の個数: 84

約数和(自身を含む): 61384180

約数和(自身を除く): 40225972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 109, 144, 192, 218, 288, 327, 337, 436, 576, 654, 674, 872, 981, 1011, 1308, 1348, 1744, 1962, 2022, 2616, 2696, 3033, 3488, 3924, 4044, 5232, 5392, 6066, 6976, 7848, 8088, 10464, 10784, 12132, 15696, 16176, 20928, 21568, 24264, 31392, 32352, 36733, 48528, 62784, 64704, 73466, 97056, 110199, 146932, 194112, 220398, 293864, 330597, 440796, 587728, 661194, 881592, 1175456, 1322388, 1763184, 2350912, 2644776, 3526368, 5289552, 7052736, 10579104, 21158208]

約数ペア:

[(1, 21158208), (2, 10579104), (3, 7052736), (4, 5289552), (6, 3526368), (8, 2644776), (9, 2350912), (12, 1763184), (16, 1322388), (18, 1175456), (24, 881592), (32, 661194), (36, 587728), (48, 440796), (64, 330597), (72, 293864), (96, 220398), (109, 194112), (144, 146932), (192, 110199), (218, 97056), (288, 73466), (327, 64704), (337, 62784), (436, 48528), (576, 36733), (654, 32352), (674, 31392), (872, 24264), (981, 21568), (1011, 20928), (1308, 16176), (1348, 15696), (1744, 12132), (1962, 10784), (2022, 10464), (2616, 8088), (2696, 7848), (3033, 6976), (3488, 6066), (3924, 5392), (4044, 5232)]