21480252

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 52684800

約数和(自身を除く): 31204548

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 223, 276, 349, 446, 669, 698, 892, 1047, 1338, 1396, 2094, 2676, 4188, 5129, 8027, 10258, 15387, 16054, 20516, 24081, 30774, 32108, 48162, 61548, 77827, 96324, 155654, 233481, 311308, 466962, 933924, 1790021, 3580042, 5370063, 7160084, 10740126, 21480252]

約数ペア:

[(1, 21480252), (2, 10740126), (3, 7160084), (4, 5370063), (6, 3580042), (12, 1790021), (23, 933924), (46, 466962), (69, 311308), (92, 233481), (138, 155654), (223, 96324), (276, 77827), (349, 61548), (446, 48162), (669, 32108), (698, 30774), (892, 24081), (1047, 20516), (1338, 16054), (1396, 15387), (2094, 10258), (2676, 8027), (4188, 5129)]