21392952

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4391}}^1$

素因数の和:4436

約数の個数: 64

約数和(自身を含む): 63244800

約数和(自身を除く): 41851848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4391, 4872, 8782, 13173, 17564, 26346, 30737, 35128, 52692, 61474, 92211, 105384, 122948, 127339, 184422, 245896, 254678, 368844, 382017, 509356, 737688, 764034, 891373, 1018712, 1528068, 1782746, 2674119, 3056136, 3565492, 5348238, 7130984, 10696476, 21392952]

約数ペア:

[(1, 21392952), (2, 10696476), (3, 7130984), (4, 5348238), (6, 3565492), (7, 3056136), (8, 2674119), (12, 1782746), (14, 1528068), (21, 1018712), (24, 891373), (28, 764034), (29, 737688), (42, 509356), (56, 382017), (58, 368844), (84, 254678), (87, 245896), (116, 184422), (168, 127339), (174, 122948), (203, 105384), (232, 92211), (348, 61474), (406, 52692), (609, 35128), (696, 30737), (812, 26346), (1218, 17564), (1624, 13173), (2436, 8782), (4391, 4872)]