21662640

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3343}}^1$

素因数の和:3368

約数の個数: 100

約数和(自身を含む): 75260064

約数和(自身を除く): 53597424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 3343, 6480, 6686, 10029, 13372, 16715, 20058, 26744, 30087, 33430, 40116, 50145, 53488, 60174, 66860, 80232, 90261, 100290, 120348, 133720, 150435, 160464, 180522, 200580, 240696, 267440, 270783, 300870, 361044, 401160, 451305, 481392, 541566, 601740, 722088, 802320, 902610, 1083132, 1203480, 1353915, 1444176, 1805220, 2166264, 2406960, 2707830, 3610440, 4332528, 5415660, 7220880, 10831320, 21662640]

約数ペア:

[(1, 21662640), (2, 10831320), (3, 7220880), (4, 5415660), (5, 4332528), (6, 3610440), (8, 2707830), (9, 2406960), (10, 2166264), (12, 1805220), (15, 1444176), (16, 1353915), (18, 1203480), (20, 1083132), (24, 902610), (27, 802320), (30, 722088), (36, 601740), (40, 541566), (45, 481392), (48, 451305), (54, 401160), (60, 361044), (72, 300870), (80, 270783), (81, 267440), (90, 240696), (108, 200580), (120, 180522), (135, 160464), (144, 150435), (162, 133720), (180, 120348), (216, 100290), (240, 90261), (270, 80232), (324, 66860), (360, 60174), (405, 53488), (432, 50145), (540, 40116), (648, 33430), (720, 30087), (810, 26744), (1080, 20058), (1296, 16715), (1620, 13372), (2160, 10029), (3240, 6686), (3343, 6480)]