21115692

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45119}}^1$

素因数の和:45142

約数の個数: 36

約数和(自身を含む): 57482880

約数和(自身を除く): 36367188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45119, 90238, 135357, 180476, 270714, 406071, 541428, 586547, 812142, 1173094, 1624284, 1759641, 2346188, 3519282, 5278923, 7038564, 10557846, 21115692]

約数ペア:

[(1, 21115692), (2, 10557846), (3, 7038564), (4, 5278923), (6, 3519282), (9, 2346188), (12, 1759641), (13, 1624284), (18, 1173094), (26, 812142), (36, 586547), (39, 541428), (52, 406071), (78, 270714), (117, 180476), (156, 135357), (234, 90238), (468, 45119)]