21109530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 34048230

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 113, 130, 195, 226, 339, 390, 479, 565, 678, 958, 1130, 1437, 1469, 1695, 2395, 2874, 2938, 3390, 4407, 4790, 6227, 7185, 7345, 8814, 12454, 14370, 14690, 18681, 22035, 31135, 37362, 44070, 54127, 62270, 93405, 108254, 162381, 186810, 270635, 324762, 541270, 703651, 811905, 1407302, 1623810, 2110953, 3518255, 4221906, 7036510, 10554765, 21109530]

約数ペア:

[(1, 21109530), (2, 10554765), (3, 7036510), (5, 4221906), (6, 3518255), (10, 2110953), (13, 1623810), (15, 1407302), (26, 811905), (30, 703651), (39, 541270), (65, 324762), (78, 270635), (113, 186810), (130, 162381), (195, 108254), (226, 93405), (339, 62270), (390, 54127), (479, 44070), (565, 37362), (678, 31135), (958, 22035), (1130, 18681), (1437, 14690), (1469, 14370), (1695, 12454), (2395, 8814), (2874, 7345), (2938, 7185), (3390, 6227), (4407, 4790)]