21872730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:939

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 36188070

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 79, 110, 158, 165, 237, 330, 395, 474, 790, 839, 869, 1185, 1678, 1738, 2370, 2517, 2607, 4195, 4345, 5034, 5214, 8390, 8690, 9229, 12585, 13035, 18458, 25170, 26070, 27687, 46145, 55374, 66281, 92290, 132562, 138435, 198843, 276870, 331405, 397686, 662810, 729091, 994215, 1458182, 1988430, 2187273, 3645455, 4374546, 7290910, 10936365, 21872730]

約数ペア:

[(1, 21872730), (2, 10936365), (3, 7290910), (5, 4374546), (6, 3645455), (10, 2187273), (11, 1988430), (15, 1458182), (22, 994215), (30, 729091), (33, 662810), (55, 397686), (66, 331405), (79, 276870), (110, 198843), (158, 138435), (165, 132562), (237, 92290), (330, 66281), (395, 55374), (474, 46145), (790, 27687), (839, 26070), (869, 25170), (1185, 18458), (1678, 13035), (1738, 12585), (2370, 9229), (2517, 8690), (2607, 8390), (4195, 5214), (4345, 5034)]