21448900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 56996352

約数和(自身を除く): 35547452

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 31, 34, 37, 44, 50, 55, 62, 68, 74, 85, 100, 110, 124, 148, 155, 170, 185, 187, 220, 275, 310, 340, 341, 370, 374, 407, 425, 527, 550, 620, 629, 682, 740, 748, 775, 814, 850, 925, 935, 1054, 1100, 1147, 1258, 1364, 1550, 1628, 1700, 1705, 1850, 1870, 2035, 2108, 2294, 2516, 2635, 3100, 3145, 3410, 3700, 3740, 4070, 4588, 4675, 5270, 5735, 5797, 6290, 6820, 6919, 8140, 8525, 9350, 10175, 10540, 11470, 11594, 12580, 12617, 13175, 13838, 15725, 17050, 18700, 19499, 20350, 22940, 23188, 25234, 26350, 27676, 28675, 28985, 31450, 34100, 34595, 38998, 40700, 50468, 52700, 57350, 57970, 62900, 63085, 69190, 77996, 97495, 114700, 115940, 126170, 138380, 144925, 172975, 194990, 214489, 252340, 289850, 315425, 345950, 389980, 428978, 487475, 579700, 630850, 691900, 857956, 974950, 1072445, 1261700, 1949900, 2144890, 4289780, 5362225, 10724450, 21448900]

約数ペア:

[(1, 21448900), (2, 10724450), (4, 5362225), (5, 4289780), (10, 2144890), (11, 1949900), (17, 1261700), (20, 1072445), (22, 974950), (25, 857956), (31, 691900), (34, 630850), (37, 579700), (44, 487475), (50, 428978), (55, 389980), (62, 345950), (68, 315425), (74, 289850), (85, 252340), (100, 214489), (110, 194990), (124, 172975), (148, 144925), (155, 138380), (170, 126170), (185, 115940), (187, 114700), (220, 97495), (275, 77996), (310, 69190), (340, 63085), (341, 62900), (370, 57970), (374, 57350), (407, 52700), (425, 50468), (527, 40700), (550, 38998), (620, 34595), (629, 34100), (682, 31450), (740, 28985), (748, 28675), (775, 27676), (814, 26350), (850, 25234), (925, 23188), (935, 22940), (1054, 20350), (1100, 19499), (1147, 18700), (1258, 17050), (1364, 15725), (1550, 13838), (1628, 13175), (1700, 12617), (1705, 12580), (1850, 11594), (1870, 11470), (2035, 10540), (2108, 10175), (2294, 9350), (2516, 8525), (2635, 8140), (3100, 6919), (3145, 6820), (3410, 6290), (3700, 5797), (3740, 5735), (4070, 5270), (4588, 4675)]