21000948028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1151}}^1\times {\mathrm{1499}}^1$

素因数の和:2850

約数の個数: 48

約数和(自身を含む): 39191040000

約数和(自身を除く): 18190091972

約数列:

[1, 2, 4, 17, 34, 68, 179, 358, 716, 1151, 1499, 2302, 2998, 3043, 4604, 5996, 6086, 12172, 19567, 25483, 39134, 50966, 78268, 101932, 206029, 268321, 412058, 536642, 824116, 1073284, 1725349, 3450698, 3502493, 4561457, 6901396, 7004986, 9122914, 14009972, 18245828, 29330933, 58661866, 117323732, 308837471, 617674942, 1235349884, 5250237007, 10500474014, 21000948028]

約数ペア:

[(1, 21000948028), (2, 10500474014), (4, 5250237007), (17, 1235349884), (34, 617674942), (68, 308837471), (179, 117323732), (358, 58661866), (716, 29330933), (1151, 18245828), (1499, 14009972), (2302, 9122914), (2998, 7004986), (3043, 6901396), (4604, 4561457), (5996, 3502493), (6086, 3450698), (12172, 1725349), (19567, 1073284), (25483, 824116), (39134, 536642), (50966, 412058), (78268, 268321), (101932, 206029)]