21731868

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{6491}}^1$

素因数の和:6535

約数の個数: 48

約数和(自身を含む): 58168320

約数和(自身を除く): 36436452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 6491, 12982, 19473, 25964, 38946, 58419, 77892, 116838, 175257, 201221, 233676, 350514, 402442, 603663, 701028, 804884, 1207326, 1810989, 2414652, 3621978, 5432967, 7243956, 10865934, 21731868]

約数ペア:

[(1, 21731868), (2, 10865934), (3, 7243956), (4, 5432967), (6, 3621978), (9, 2414652), (12, 1810989), (18, 1207326), (27, 804884), (31, 701028), (36, 603663), (54, 402442), (62, 350514), (93, 233676), (108, 201221), (124, 175257), (186, 116838), (279, 77892), (372, 58419), (558, 38946), (837, 25964), (1116, 19473), (1674, 12982), (3348, 6491)]