21002300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 50694672

約数和(自身を除く): 29692372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 100, 110, 122, 220, 244, 275, 305, 313, 550, 610, 626, 671, 1100, 1220, 1252, 1342, 1525, 1565, 2684, 3050, 3130, 3355, 3443, 6100, 6260, 6710, 6886, 7825, 13420, 13772, 15650, 16775, 17215, 19093, 31300, 33550, 34430, 38186, 67100, 68860, 76372, 86075, 95465, 172150, 190930, 210023, 344300, 381860, 420046, 477325, 840092, 954650, 1050115, 1909300, 2100230, 4200460, 5250575, 10501150, 21002300]

約数ペア:

[(1, 21002300), (2, 10501150), (4, 5250575), (5, 4200460), (10, 2100230), (11, 1909300), (20, 1050115), (22, 954650), (25, 840092), (44, 477325), (50, 420046), (55, 381860), (61, 344300), (100, 210023), (110, 190930), (122, 172150), (220, 95465), (244, 86075), (275, 76372), (305, 68860), (313, 67100), (550, 38186), (610, 34430), (626, 33550), (671, 31300), (1100, 19093), (1220, 17215), (1252, 16775), (1342, 15650), (1525, 13772), (1565, 13420), (2684, 7825), (3050, 6886), (3130, 6710), (3355, 6260), (3443, 6100)]