21113586

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3923}}^1$

素因数の和:3967

約数の個数: 48

約数和(自身を含む): 51420096

約数和(自身を除く): 30306510

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 3923, 5382, 7846, 11769, 23538, 35307, 50999, 70614, 90229, 101998, 152997, 180458, 270687, 305994, 458991, 541374, 812061, 917982, 1172977, 1624122, 2345954, 3518931, 7037862, 10556793, 21113586]

約数ペア:

[(1, 21113586), (2, 10556793), (3, 7037862), (6, 3518931), (9, 2345954), (13, 1624122), (18, 1172977), (23, 917982), (26, 812061), (39, 541374), (46, 458991), (69, 305994), (78, 270687), (117, 180458), (138, 152997), (207, 101998), (234, 90229), (299, 70614), (414, 50999), (598, 35307), (897, 23538), (1794, 11769), (2691, 7846), (3923, 5382)]