21060450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2753}}^1$

素因数の和:2788

約数の個数: 72

約数和(自身を含む): 59932548

約数和(自身を除く): 38872098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 102, 150, 153, 170, 225, 255, 306, 425, 450, 510, 765, 850, 1275, 1530, 2550, 2753, 3825, 5506, 7650, 8259, 13765, 16518, 24777, 27530, 41295, 46801, 49554, 68825, 82590, 93602, 123885, 137650, 140403, 206475, 234005, 247770, 280806, 412950, 421209, 468010, 619425, 702015, 842418, 1170025, 1238850, 1404030, 2106045, 2340050, 3510075, 4212090, 7020150, 10530225, 21060450]

約数ペア:

[(1, 21060450), (2, 10530225), (3, 7020150), (5, 4212090), (6, 3510075), (9, 2340050), (10, 2106045), (15, 1404030), (17, 1238850), (18, 1170025), (25, 842418), (30, 702015), (34, 619425), (45, 468010), (50, 421209), (51, 412950), (75, 280806), (85, 247770), (90, 234005), (102, 206475), (150, 140403), (153, 137650), (170, 123885), (225, 93602), (255, 82590), (306, 68825), (425, 49554), (450, 46801), (510, 41295), (765, 27530), (850, 24777), (1275, 16518), (1530, 13765), (2550, 8259), (2753, 7650), (3825, 5506)]