21624700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 49496832

約数和(自身を除く): 27872132

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 47, 50, 86, 94, 100, 107, 172, 188, 214, 215, 235, 428, 430, 470, 535, 860, 940, 1070, 1075, 1175, 2021, 2140, 2150, 2350, 2675, 4042, 4300, 4601, 4700, 5029, 5350, 8084, 9202, 10058, 10105, 10700, 18404, 20116, 20210, 23005, 25145, 40420, 46010, 50290, 50525, 92020, 100580, 101050, 115025, 125725, 202100, 216247, 230050, 251450, 432494, 460100, 502900, 864988, 1081235, 2162470, 4324940, 5406175, 10812350, 21624700]

約数ペア:

[(1, 21624700), (2, 10812350), (4, 5406175), (5, 4324940), (10, 2162470), (20, 1081235), (25, 864988), (43, 502900), (47, 460100), (50, 432494), (86, 251450), (94, 230050), (100, 216247), (107, 202100), (172, 125725), (188, 115025), (214, 101050), (215, 100580), (235, 92020), (428, 50525), (430, 50290), (470, 46010), (535, 40420), (860, 25145), (940, 23005), (1070, 20210), (1075, 20116), (1175, 18404), (2021, 10700), (2140, 10105), (2150, 10058), (2350, 9202), (2675, 8084), (4042, 5350), (4300, 5029), (4601, 4700)]