21072150

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 180

約数和(自身を含む): 65852556

約数和(自身を除く): 44780406

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 27, 30, 33, 43, 45, 50, 54, 55, 66, 75, 81, 86, 90, 99, 110, 121, 129, 135, 150, 162, 165, 198, 215, 225, 242, 258, 270, 275, 297, 330, 363, 387, 405, 430, 450, 473, 495, 550, 594, 605, 645, 675, 726, 774, 810, 825, 891, 946, 990, 1075, 1089, 1161, 1210, 1290, 1350, 1419, 1485, 1650, 1782, 1815, 1935, 2025, 2150, 2178, 2322, 2365, 2475, 2838, 2970, 3025, 3225, 3267, 3483, 3630, 3870, 4050, 4257, 4455, 4730, 4950, 5203, 5445, 5805, 6050, 6450, 6534, 6966, 7095, 7425, 8514, 8910, 9075, 9675, 9801, 10406, 10890, 11610, 11825, 12771, 14190, 14850, 15609, 16335, 17415, 18150, 19350, 19602, 21285, 22275, 23650, 25542, 26015, 27225, 29025, 31218, 32670, 34830, 35475, 38313, 42570, 44550, 46827, 49005, 52030, 54450, 58050, 63855, 70950, 76626, 78045, 81675, 87075, 93654, 98010, 106425, 127710, 130075, 140481, 156090, 163350, 174150, 191565, 212850, 234135, 245025, 260150, 280962, 319275, 383130, 390225, 421443, 468270, 490050, 638550, 702405, 780450, 842886, 957825, 1170675, 1404810, 1915650, 2107215, 2341350, 3512025, 4214430, 7024050, 10536075, 21072150]

約数ペア:

[(1, 21072150), (2, 10536075), (3, 7024050), (5, 4214430), (6, 3512025), (9, 2341350), (10, 2107215), (11, 1915650), (15, 1404810), (18, 1170675), (22, 957825), (25, 842886), (27, 780450), (30, 702405), (33, 638550), (43, 490050), (45, 468270), (50, 421443), (54, 390225), (55, 383130), (66, 319275), (75, 280962), (81, 260150), (86, 245025), (90, 234135), (99, 212850), (110, 191565), (121, 174150), (129, 163350), (135, 156090), (150, 140481), (162, 130075), (165, 127710), (198, 106425), (215, 98010), (225, 93654), (242, 87075), (258, 81675), (270, 78045), (275, 76626), (297, 70950), (330, 63855), (363, 58050), (387, 54450), (405, 52030), (430, 49005), (450, 46827), (473, 44550), (495, 42570), (550, 38313), (594, 35475), (605, 34830), (645, 32670), (675, 31218), (726, 29025), (774, 27225), (810, 26015), (825, 25542), (891, 23650), (946, 22275), (990, 21285), (1075, 19602), (1089, 19350), (1161, 18150), (1210, 17415), (1290, 16335), (1350, 15609), (1419, 14850), (1485, 14190), (1650, 12771), (1782, 11825), (1815, 11610), (1935, 10890), (2025, 10406), (2150, 9801), (2178, 9675), (2322, 9075), (2365, 8910), (2475, 8514), (2838, 7425), (2970, 7095), (3025, 6966), (3225, 6534), (3267, 6450), (3483, 6050), (3630, 5805), (3870, 5445), (4050, 5203), (4257, 4950), (4455, 4730)]