21762040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{32003}}^1$

素因数の和:32031

約数の個数: 32

約数和(自身を含む): 51846480

約数和(自身を除く): 30084440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 32003, 64006, 128012, 160015, 256024, 320030, 544051, 640060, 1088102, 1280120, 2176204, 2720255, 4352408, 5440510, 10881020, 21762040]

約数ペア:

[(1, 21762040), (2, 10881020), (4, 5440510), (5, 4352408), (8, 2720255), (10, 2176204), (17, 1280120), (20, 1088102), (34, 640060), (40, 544051), (68, 320030), (85, 256024), (136, 160015), (170, 128012), (340, 64006), (680, 32003)]