21065136

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 57957600

約数和(自身を除く): 36892464

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 37, 48, 58, 74, 87, 111, 116, 148, 174, 222, 232, 296, 348, 409, 444, 464, 592, 696, 818, 888, 1073, 1227, 1392, 1636, 1776, 2146, 2454, 3219, 3272, 4292, 4908, 6438, 6544, 8584, 9816, 11861, 12876, 15133, 17168, 19632, 23722, 25752, 30266, 35583, 45399, 47444, 51504, 60532, 71166, 90798, 94888, 121064, 142332, 181596, 189776, 242128, 284664, 363192, 438857, 569328, 726384, 877714, 1316571, 1755428, 2633142, 3510856, 5266284, 7021712, 10532568, 21065136]

約数ペア:

[(1, 21065136), (2, 10532568), (3, 7021712), (4, 5266284), (6, 3510856), (8, 2633142), (12, 1755428), (16, 1316571), (24, 877714), (29, 726384), (37, 569328), (48, 438857), (58, 363192), (74, 284664), (87, 242128), (111, 189776), (116, 181596), (148, 142332), (174, 121064), (222, 94888), (232, 90798), (296, 71166), (348, 60532), (409, 51504), (444, 47444), (464, 45399), (592, 35583), (696, 30266), (818, 25752), (888, 23722), (1073, 19632), (1227, 17168), (1392, 15133), (1636, 12876), (1776, 11861), (2146, 9816), (2454, 8584), (3219, 6544), (3272, 6438), (4292, 4908)]