21520650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2707}}^1$

素因数の和:2775

約数の個数: 48

約数和(自身を含む): 54398304

約数和(自身を除く): 32877654

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 75, 106, 150, 159, 265, 318, 530, 795, 1325, 1590, 2650, 2707, 3975, 5414, 7950, 8121, 13535, 16242, 27070, 40605, 67675, 81210, 135350, 143471, 203025, 286942, 406050, 430413, 717355, 860826, 1434710, 2152065, 3586775, 4304130, 7173550, 10760325, 21520650]

約数ペア:

[(1, 21520650), (2, 10760325), (3, 7173550), (5, 4304130), (6, 3586775), (10, 2152065), (15, 1434710), (25, 860826), (30, 717355), (50, 430413), (53, 406050), (75, 286942), (106, 203025), (150, 143471), (159, 135350), (265, 81210), (318, 67675), (530, 40605), (795, 27070), (1325, 16242), (1590, 13535), (2650, 8121), (2707, 7950), (3975, 5414)]