21939660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:517

約数の個数: 120

約数和(自身を含む): 71351280

約数和(自身を除く): 49411620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 467, 522, 540, 580, 783, 810, 870, 934, 1044, 1305, 1401, 1566, 1620, 1740, 1868, 2335, 2349, 2610, 2802, 3132, 3915, 4203, 4670, 4698, 5220, 5604, 7005, 7830, 8406, 9340, 9396, 11745, 12609, 13543, 14010, 15660, 16812, 21015, 23490, 25218, 27086, 28020, 37827, 40629, 42030, 46980, 50436, 54172, 63045, 67715, 75654, 81258, 84060, 121887, 126090, 135430, 151308, 162516, 189135, 203145, 243774, 252180, 270860, 365661, 378270, 406290, 487548, 609435, 731322, 756540, 812580, 1096983, 1218870, 1462644, 1828305, 2193966, 2437740, 3656610, 4387932, 5484915, 7313220, 10969830, 21939660]

約数ペア:

[(1, 21939660), (2, 10969830), (3, 7313220), (4, 5484915), (5, 4387932), (6, 3656610), (9, 2437740), (10, 2193966), (12, 1828305), (15, 1462644), (18, 1218870), (20, 1096983), (27, 812580), (29, 756540), (30, 731322), (36, 609435), (45, 487548), (54, 406290), (58, 378270), (60, 365661), (81, 270860), (87, 252180), (90, 243774), (108, 203145), (116, 189135), (135, 162516), (145, 151308), (162, 135430), (174, 126090), (180, 121887), (261, 84060), (270, 81258), (290, 75654), (324, 67715), (348, 63045), (405, 54172), (435, 50436), (467, 46980), (522, 42030), (540, 40629), (580, 37827), (783, 28020), (810, 27086), (870, 25218), (934, 23490), (1044, 21015), (1305, 16812), (1401, 15660), (1566, 14010), (1620, 13543), (1740, 12609), (1868, 11745), (2335, 9396), (2349, 9340), (2610, 8406), (2802, 7830), (3132, 7005), (3915, 5604), (4203, 5220), (4670, 4698)]