21136346

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2801}}^1$

素因数の和:2835

約数の個数: 32

約数和(自身を含む): 40348800

約数和(自身を除く): 19212454

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 343, 539, 686, 1078, 2801, 3773, 5602, 7546, 19607, 30811, 39214, 61622, 137249, 215677, 274498, 431354, 960743, 1509739, 1921486, 3019478, 10568173, 21136346]

約数ペア:

[(1, 21136346), (2, 10568173), (7, 3019478), (11, 1921486), (14, 1509739), (22, 960743), (49, 431354), (77, 274498), (98, 215677), (154, 137249), (343, 61622), (539, 39214), (686, 30811), (1078, 19607), (2801, 7546), (3773, 5602)]