21303450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6763}}^1$

素因数の和:6788

約数の個数: 72

約数和(自身を含む): 65421408

約数和(自身を除く): 44117958

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6763, 13526, 20289, 33815, 40578, 47341, 60867, 67630, 94682, 101445, 121734, 142023, 169075, 202890, 236705, 284046, 304335, 338150, 426069, 473410, 507225, 608670, 710115, 852138, 1014450, 1183525, 1420230, 1521675, 2130345, 2367050, 3043350, 3550575, 4260690, 7101150, 10651725, 21303450]

約数ペア:

[(1, 21303450), (2, 10651725), (3, 7101150), (5, 4260690), (6, 3550575), (7, 3043350), (9, 2367050), (10, 2130345), (14, 1521675), (15, 1420230), (18, 1183525), (21, 1014450), (25, 852138), (30, 710115), (35, 608670), (42, 507225), (45, 473410), (50, 426069), (63, 338150), (70, 304335), (75, 284046), (90, 236705), (105, 202890), (126, 169075), (150, 142023), (175, 121734), (210, 101445), (225, 94682), (315, 67630), (350, 60867), (450, 47341), (525, 40578), (630, 33815), (1050, 20289), (1575, 13526), (3150, 6763)]