21330150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3307}}^1$

素因数の和:3365

約数の個数: 48

約数和(自身を含む): 54145344

約数和(自身を除く): 32815194

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 3225, 3307, 6450, 6614, 9921, 16535, 19842, 33070, 49605, 82675, 99210, 142201, 165350, 248025, 284402, 426603, 496050, 711005, 853206, 1422010, 2133015, 3555025, 4266030, 7110050, 10665075, 21330150]

約数ペア:

[(1, 21330150), (2, 10665075), (3, 7110050), (5, 4266030), (6, 3555025), (10, 2133015), (15, 1422010), (25, 853206), (30, 711005), (43, 496050), (50, 426603), (75, 284402), (86, 248025), (129, 165350), (150, 142201), (215, 99210), (258, 82675), (430, 49605), (645, 33070), (1075, 19842), (1290, 16535), (2150, 9921), (3225, 6614), (3307, 6450)]