21065058

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5393}}^1$

素因数の和:5439

約数の個数: 48

約数和(自身を含む): 53853696

約数和(自身を除く): 32788638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 5393, 10786, 16179, 32358, 37751, 48537, 75502, 97074, 113253, 167183, 226506, 334366, 339759, 501549, 679518, 1003098, 1170281, 1504647, 2340562, 3009294, 3510843, 7021686, 10532529, 21065058]

約数ペア:

[(1, 21065058), (2, 10532529), (3, 7021686), (6, 3510843), (7, 3009294), (9, 2340562), (14, 1504647), (18, 1170281), (21, 1003098), (31, 679518), (42, 501549), (62, 339759), (63, 334366), (93, 226506), (126, 167183), (186, 113253), (217, 97074), (279, 75502), (434, 48537), (558, 37751), (651, 32358), (1302, 16179), (1953, 10786), (3906, 5393)]