21124020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 62770176

約数和(自身を除く): 41646156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 41, 60, 62, 82, 93, 123, 124, 155, 164, 186, 205, 246, 277, 310, 372, 410, 465, 492, 554, 615, 620, 820, 831, 930, 1108, 1230, 1271, 1385, 1662, 1860, 2460, 2542, 2770, 3324, 3813, 4155, 5084, 5540, 6355, 7626, 8310, 8587, 11357, 12710, 15252, 16620, 17174, 19065, 22714, 25420, 25761, 34071, 34348, 38130, 42935, 45428, 51522, 56785, 68142, 76260, 85870, 103044, 113570, 128805, 136284, 170355, 171740, 227140, 257610, 340710, 352067, 515220, 681420, 704134, 1056201, 1408268, 1760335, 2112402, 3520670, 4224804, 5281005, 7041340, 10562010, 21124020]

約数ペア:

[(1, 21124020), (2, 10562010), (3, 7041340), (4, 5281005), (5, 4224804), (6, 3520670), (10, 2112402), (12, 1760335), (15, 1408268), (20, 1056201), (30, 704134), (31, 681420), (41, 515220), (60, 352067), (62, 340710), (82, 257610), (93, 227140), (123, 171740), (124, 170355), (155, 136284), (164, 128805), (186, 113570), (205, 103044), (246, 85870), (277, 76260), (310, 68142), (372, 56785), (410, 51522), (465, 45428), (492, 42935), (554, 38130), (615, 34348), (620, 34071), (820, 25761), (831, 25420), (930, 22714), (1108, 19065), (1230, 17174), (1271, 16620), (1385, 15252), (1662, 12710), (1860, 11357), (2460, 8587), (2542, 8310), (2770, 7626), (3324, 6355), (3813, 5540), (4155, 5084)]