21035200

素因数分解:

$2^6\times 5^2\times {\mathrm{13147}}^1$

素因数の和:13169

約数の個数: 42

約数和(自身を含む): 51763676

約数和(自身を除く): 30728476

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 13147, 26294, 52588, 65735, 105176, 131470, 210352, 262940, 328675, 420704, 525880, 657350, 841408, 1051760, 1314700, 2103520, 2629400, 4207040, 5258800, 10517600, 21035200]

約数ペア:

[(1, 21035200), (2, 10517600), (4, 5258800), (5, 4207040), (8, 2629400), (10, 2103520), (16, 1314700), (20, 1051760), (25, 841408), (32, 657350), (40, 525880), (50, 420704), (64, 328675), (80, 262940), (100, 210352), (160, 131470), (200, 105176), (320, 65735), (400, 52588), (800, 26294), (1600, 13147)]