21204624

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 63107072

約数和(自身を除く): 41902448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 223, 283, 336, 446, 566, 669, 849, 892, 1132, 1338, 1561, 1698, 1784, 1981, 2264, 2676, 3122, 3396, 3568, 3962, 4528, 4683, 5352, 5943, 6244, 6792, 7924, 9366, 10704, 11886, 12488, 13584, 15848, 18732, 23772, 24976, 31696, 37464, 47544, 63109, 74928, 95088, 126218, 189327, 252436, 378654, 441763, 504872, 757308, 883526, 1009744, 1325289, 1514616, 1767052, 2650578, 3029232, 3534104, 5301156, 7068208, 10602312, 21204624]

約数ペア:

[(1, 21204624), (2, 10602312), (3, 7068208), (4, 5301156), (6, 3534104), (7, 3029232), (8, 2650578), (12, 1767052), (14, 1514616), (16, 1325289), (21, 1009744), (24, 883526), (28, 757308), (42, 504872), (48, 441763), (56, 378654), (84, 252436), (112, 189327), (168, 126218), (223, 95088), (283, 74928), (336, 63109), (446, 47544), (566, 37464), (669, 31696), (849, 24976), (892, 23772), (1132, 18732), (1338, 15848), (1561, 13584), (1698, 12488), (1784, 11886), (1981, 10704), (2264, 9366), (2676, 7924), (3122, 6792), (3396, 6244), (3568, 5943), (3962, 5352), (4528, 4683)]