21726510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 62052480

約数和(自身を除く): 40325970

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 29, 30, 34, 39, 51, 58, 65, 78, 85, 87, 102, 113, 130, 145, 170, 174, 195, 221, 226, 255, 290, 339, 377, 390, 435, 442, 493, 510, 565, 663, 678, 754, 870, 986, 1105, 1130, 1131, 1326, 1469, 1479, 1695, 1885, 1921, 2210, 2262, 2465, 2938, 2958, 3277, 3315, 3390, 3770, 3842, 4407, 4930, 5655, 5763, 6409, 6554, 6630, 7345, 7395, 8814, 9605, 9831, 11310, 11526, 12818, 14690, 14790, 16385, 19210, 19227, 19662, 22035, 24973, 28815, 32045, 32770, 38454, 42601, 44070, 49155, 49946, 55709, 57630, 64090, 74919, 85202, 96135, 98310, 111418, 124865, 127803, 149838, 167127, 192270, 213005, 249730, 255606, 278545, 334254, 374595, 426010, 557090, 639015, 724217, 749190, 835635, 1278030, 1448434, 1671270, 2172651, 3621085, 4345302, 7242170, 10863255, 21726510]

約数ペア:

[(1, 21726510), (2, 10863255), (3, 7242170), (5, 4345302), (6, 3621085), (10, 2172651), (13, 1671270), (15, 1448434), (17, 1278030), (26, 835635), (29, 749190), (30, 724217), (34, 639015), (39, 557090), (51, 426010), (58, 374595), (65, 334254), (78, 278545), (85, 255606), (87, 249730), (102, 213005), (113, 192270), (130, 167127), (145, 149838), (170, 127803), (174, 124865), (195, 111418), (221, 98310), (226, 96135), (255, 85202), (290, 74919), (339, 64090), (377, 57630), (390, 55709), (435, 49946), (442, 49155), (493, 44070), (510, 42601), (565, 38454), (663, 32770), (678, 32045), (754, 28815), (870, 24973), (986, 22035), (1105, 19662), (1130, 19227), (1131, 19210), (1326, 16385), (1469, 14790), (1479, 14690), (1695, 12818), (1885, 11526), (1921, 11310), (2210, 9831), (2262, 9605), (2465, 8814), (2938, 7395), (2958, 7345), (3277, 6630), (3315, 6554), (3390, 6409), (3770, 5763), (3842, 5655), (4407, 4930)]