21222012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13297}}^1$

素因数の和:13330

約数の個数: 48

約数和(自身を含む): 59575040

約数和(自身を除く): 38353028

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13297, 26594, 39891, 53188, 79782, 93079, 159564, 186158, 252643, 279237, 372316, 505286, 558474, 757929, 1010572, 1116948, 1515858, 1768501, 3031716, 3537002, 5305503, 7074004, 10611006, 21222012]

約数ペア:

[(1, 21222012), (2, 10611006), (3, 7074004), (4, 5305503), (6, 3537002), (7, 3031716), (12, 1768501), (14, 1515858), (19, 1116948), (21, 1010572), (28, 757929), (38, 558474), (42, 505286), (57, 372316), (76, 279237), (84, 252643), (114, 186158), (133, 159564), (228, 93079), (266, 79782), (399, 53188), (532, 39891), (798, 26594), (1596, 13297)]