21130848

素因数分解:

$2^5\times 3^3\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 96

約数和(自身を含む): 63393120

約数和(自身を除く): 42262272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 72, 74, 96, 108, 111, 144, 148, 216, 222, 288, 296, 333, 432, 444, 592, 661, 666, 864, 888, 999, 1184, 1322, 1332, 1776, 1983, 1998, 2644, 2664, 3552, 3966, 3996, 5288, 5328, 5949, 7932, 7992, 10576, 10656, 11898, 15864, 15984, 17847, 21152, 23796, 24457, 31728, 31968, 35694, 47592, 48914, 63456, 71388, 73371, 95184, 97828, 142776, 146742, 190368, 195656, 220113, 285552, 293484, 391312, 440226, 571104, 586968, 660339, 782624, 880452, 1173936, 1320678, 1760904, 2347872, 2641356, 3521808, 5282712, 7043616, 10565424, 21130848]

約数ペア:

[(1, 21130848), (2, 10565424), (3, 7043616), (4, 5282712), (6, 3521808), (8, 2641356), (9, 2347872), (12, 1760904), (16, 1320678), (18, 1173936), (24, 880452), (27, 782624), (32, 660339), (36, 586968), (37, 571104), (48, 440226), (54, 391312), (72, 293484), (74, 285552), (96, 220113), (108, 195656), (111, 190368), (144, 146742), (148, 142776), (216, 97828), (222, 95184), (288, 73371), (296, 71388), (333, 63456), (432, 48914), (444, 47592), (592, 35694), (661, 31968), (666, 31728), (864, 24457), (888, 23796), (999, 21152), (1184, 17847), (1322, 15984), (1332, 15864), (1776, 11898), (1983, 10656), (1998, 10576), (2644, 7992), (2664, 7932), (3552, 5949), (3966, 5328), (3996, 5288)]