21170964

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 51226560

約数和(自身を除く): 30055596

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 89, 129, 172, 178, 258, 267, 356, 461, 516, 534, 922, 1068, 1383, 1844, 2766, 3827, 5532, 7654, 11481, 15308, 19823, 22962, 39646, 41029, 45924, 59469, 79292, 82058, 118938, 123087, 164116, 237876, 246174, 492348, 1764247, 3528494, 5292741, 7056988, 10585482, 21170964]

約数ペア:

[(1, 21170964), (2, 10585482), (3, 7056988), (4, 5292741), (6, 3528494), (12, 1764247), (43, 492348), (86, 246174), (89, 237876), (129, 164116), (172, 123087), (178, 118938), (258, 82058), (267, 79292), (356, 59469), (461, 45924), (516, 41029), (534, 39646), (922, 22962), (1068, 19823), (1383, 15308), (1844, 11481), (2766, 7654), (3827, 5532)]