21818668

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{983}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 39674880

約数和(自身を除く): 17856212

約数列:

[1, 2, 4, 31, 62, 124, 179, 358, 716, 983, 1966, 3932, 5549, 11098, 22196, 30473, 60946, 121892, 175957, 351914, 703828, 5454667, 10909334, 21818668]

約数ペア:

[(1, 21818668), (2, 10909334), (4, 5454667), (31, 703828), (62, 351914), (124, 175957), (179, 121892), (358, 60946), (716, 30473), (983, 22196), (1966, 11098), (3932, 5549)]