21244440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3613}}^1$

素因数の和:3641

約数の個数: 96

約数和(自身を含む): 74159280

約数和(自身を除く): 52914840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3613, 5880, 7226, 10839, 14452, 18065, 21678, 25291, 28904, 36130, 43356, 50582, 54195, 72260, 75873, 86712, 101164, 108390, 126455, 144520, 151746, 177037, 202328, 216780, 252910, 303492, 354074, 379365, 433560, 505820, 531111, 606984, 708148, 758730, 885185, 1011640, 1062222, 1416296, 1517460, 1770370, 2124444, 2655555, 3034920, 3540740, 4248888, 5311110, 7081480, 10622220, 21244440]

約数ペア:

[(1, 21244440), (2, 10622220), (3, 7081480), (4, 5311110), (5, 4248888), (6, 3540740), (7, 3034920), (8, 2655555), (10, 2124444), (12, 1770370), (14, 1517460), (15, 1416296), (20, 1062222), (21, 1011640), (24, 885185), (28, 758730), (30, 708148), (35, 606984), (40, 531111), (42, 505820), (49, 433560), (56, 379365), (60, 354074), (70, 303492), (84, 252910), (98, 216780), (105, 202328), (120, 177037), (140, 151746), (147, 144520), (168, 126455), (196, 108390), (210, 101164), (245, 86712), (280, 75873), (294, 72260), (392, 54195), (420, 50582), (490, 43356), (588, 36130), (735, 28904), (840, 25291), (980, 21678), (1176, 18065), (1470, 14452), (1960, 10839), (2940, 7226), (3613, 5880)]