21248064

素因数分解:

$2^6\times 3^2\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1052

約数の個数: 84

約数和(自身を含む): 62612524

約数和(自身を除く): 41364460

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 144, 148, 192, 222, 288, 296, 333, 444, 576, 592, 666, 888, 997, 1184, 1332, 1776, 1994, 2368, 2664, 2991, 3552, 3988, 5328, 5982, 7104, 7976, 8973, 10656, 11964, 15952, 17946, 21312, 23928, 31904, 35892, 36889, 47856, 63808, 71784, 73778, 95712, 110667, 143568, 147556, 191424, 221334, 287136, 295112, 332001, 442668, 574272, 590224, 664002, 885336, 1180448, 1328004, 1770672, 2360896, 2656008, 3541344, 5312016, 7082688, 10624032, 21248064]

約数ペア:

[(1, 21248064), (2, 10624032), (3, 7082688), (4, 5312016), (6, 3541344), (8, 2656008), (9, 2360896), (12, 1770672), (16, 1328004), (18, 1180448), (24, 885336), (32, 664002), (36, 590224), (37, 574272), (48, 442668), (64, 332001), (72, 295112), (74, 287136), (96, 221334), (111, 191424), (144, 147556), (148, 143568), (192, 110667), (222, 95712), (288, 73778), (296, 71784), (333, 63808), (444, 47856), (576, 36889), (592, 35892), (666, 31904), (888, 23928), (997, 21312), (1184, 17946), (1332, 15952), (1776, 11964), (1994, 10656), (2368, 8973), (2664, 7976), (2991, 7104), (3552, 5982), (3988, 5328)]