21031032

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 61689600

約数和(自身を除く): 40658568

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 33, 41, 44, 58, 66, 67, 82, 87, 88, 116, 123, 132, 134, 164, 174, 201, 232, 246, 264, 268, 319, 328, 348, 402, 451, 492, 536, 638, 696, 737, 804, 902, 957, 984, 1189, 1276, 1353, 1474, 1608, 1804, 1914, 1943, 2211, 2378, 2552, 2706, 2747, 2948, 3567, 3608, 3828, 3886, 4422, 4756, 5412, 5494, 5829, 5896, 7134, 7656, 7772, 8241, 8844, 9512, 10824, 10988, 11658, 13079, 14268, 15544, 16482, 17688, 21373, 21976, 23316, 26158, 28536, 30217, 32964, 39237, 42746, 46632, 52316, 60434, 64119, 65928, 78474, 79663, 85492, 90651, 104632, 120868, 128238, 156948, 159326, 170984, 181302, 238989, 241736, 256476, 313896, 318652, 362604, 477978, 512952, 637304, 725208, 876293, 955956, 1752586, 1911912, 2628879, 3505172, 5257758, 7010344, 10515516, 21031032]

約数ペア:

[(1, 21031032), (2, 10515516), (3, 7010344), (4, 5257758), (6, 3505172), (8, 2628879), (11, 1911912), (12, 1752586), (22, 955956), (24, 876293), (29, 725208), (33, 637304), (41, 512952), (44, 477978), (58, 362604), (66, 318652), (67, 313896), (82, 256476), (87, 241736), (88, 238989), (116, 181302), (123, 170984), (132, 159326), (134, 156948), (164, 128238), (174, 120868), (201, 104632), (232, 90651), (246, 85492), (264, 79663), (268, 78474), (319, 65928), (328, 64119), (348, 60434), (402, 52316), (451, 46632), (492, 42746), (536, 39237), (638, 32964), (696, 30217), (737, 28536), (804, 26158), (902, 23316), (957, 21976), (984, 21373), (1189, 17688), (1276, 16482), (1353, 15544), (1474, 14268), (1608, 13079), (1804, 11658), (1914, 10988), (1943, 10824), (2211, 9512), (2378, 8844), (2552, 8241), (2706, 7772), (2747, 7656), (2948, 7134), (3567, 5896), (3608, 5829), (3828, 5494), (3886, 5412), (4422, 4756)]