21521786490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{367}}^1\times {\mathrm{1867}}^1$

素因数の和:2596

約数の個数: 96

約数和(自身を含む): 56300025600

約数和(自身を除く): 34778239110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 349, 367, 698, 734, 1047, 1101, 1745, 1835, 1867, 2094, 2202, 3141, 3303, 3490, 3670, 3734, 5235, 5505, 5601, 6282, 6606, 9335, 10470, 11010, 11202, 15705, 16515, 16803, 18670, 28005, 31410, 33030, 33606, 56010, 84015, 128083, 168030, 256166, 384249, 640415, 651583, 685189, 768498, 1152747, 1280830, 1303166, 1370378, 1921245, 1954749, 2055567, 2305494, 3257915, 3425945, 3842490, 3909498, 4111134, 5763735, 5864247, 6166701, 6515830, 6851890, 9773745, 10277835, 11527470, 11728494, 12333402, 19547490, 20555670, 29321235, 30833505, 58642470, 61667010, 239130961, 478261922, 717392883, 1195654805, 1434785766, 2152178649, 2391309610, 3586964415, 4304357298, 7173928830, 10760893245, 21521786490]

約数ペア:

[(1, 21521786490), (2, 10760893245), (3, 7173928830), (5, 4304357298), (6, 3586964415), (9, 2391309610), (10, 2152178649), (15, 1434785766), (18, 1195654805), (30, 717392883), (45, 478261922), (90, 239130961), (349, 61667010), (367, 58642470), (698, 30833505), (734, 29321235), (1047, 20555670), (1101, 19547490), (1745, 12333402), (1835, 11728494), (1867, 11527470), (2094, 10277835), (2202, 9773745), (3141, 6851890), (3303, 6515830), (3490, 6166701), (3670, 5864247), (3734, 5763735), (5235, 4111134), (5505, 3909498), (5601, 3842490), (6282, 3425945), (6606, 3257915), (9335, 2305494), (10470, 2055567), (11010, 1954749), (11202, 1921245), (15705, 1370378), (16515, 1303166), (16803, 1280830), (18670, 1152747), (28005, 768498), (31410, 685189), (33030, 651583), (33606, 640415), (56010, 384249), (84015, 256166), (128083, 168030)]