21394176

素因数分解:

$2^8\times 3^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 57763440

約数和(自身を除く): 36369264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 89, 96, 128, 178, 192, 256, 267, 313, 356, 384, 534, 626, 712, 768, 939, 1068, 1252, 1424, 1878, 2136, 2504, 2848, 3756, 4272, 5008, 5696, 7512, 8544, 10016, 11392, 15024, 17088, 20032, 22784, 27857, 30048, 34176, 40064, 55714, 60096, 68352, 80128, 83571, 111428, 120192, 167142, 222856, 240384, 334284, 445712, 668568, 891424, 1337136, 1782848, 2674272, 3565696, 5348544, 7131392, 10697088, 21394176]

約数ペア:

[(1, 21394176), (2, 10697088), (3, 7131392), (4, 5348544), (6, 3565696), (8, 2674272), (12, 1782848), (16, 1337136), (24, 891424), (32, 668568), (48, 445712), (64, 334284), (89, 240384), (96, 222856), (128, 167142), (178, 120192), (192, 111428), (256, 83571), (267, 80128), (313, 68352), (356, 60096), (384, 55714), (534, 40064), (626, 34176), (712, 30048), (768, 27857), (939, 22784), (1068, 20032), (1252, 17088), (1424, 15024), (1878, 11392), (2136, 10016), (2504, 8544), (2848, 7512), (3756, 5696), (4272, 5008)]