2021187996

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{9967}}^1$

素因数の和:10151

約数の個数: 72

約数和(自身を含む): 5268367104

約数和(自身を除く): 3247179108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 131, 172, 258, 262, 387, 393, 516, 524, 774, 786, 1179, 1548, 1572, 2358, 4716, 5633, 9967, 11266, 16899, 19934, 22532, 29901, 33798, 39868, 50697, 59802, 67596, 89703, 101394, 119604, 179406, 202788, 358812, 428581, 857162, 1285743, 1305677, 1714324, 2571486, 2611354, 3857229, 3917031, 5142972, 5222708, 7714458, 7834062, 11751093, 15428916, 15668124, 23502186, 47004372, 56144111, 112288222, 168432333, 224576444, 336864666, 505296999, 673729332, 1010593998, 2021187996]

約数ペア:

[(1, 2021187996), (2, 1010593998), (3, 673729332), (4, 505296999), (6, 336864666), (9, 224576444), (12, 168432333), (18, 112288222), (36, 56144111), (43, 47004372), (86, 23502186), (129, 15668124), (131, 15428916), (172, 11751093), (258, 7834062), (262, 7714458), (387, 5222708), (393, 5142972), (516, 3917031), (524, 3857229), (774, 2611354), (786, 2571486), (1179, 1714324), (1548, 1305677), (1572, 1285743), (2358, 857162), (4716, 428581), (5633, 358812), (9967, 202788), (11266, 179406), (16899, 119604), (19934, 101394), (22532, 89703), (29901, 67596), (33798, 59802), (39868, 50697)]