21547044

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 58024512

約数和(自身を除く): 36477468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 53, 69, 92, 106, 138, 159, 207, 212, 276, 318, 414, 477, 491, 636, 828, 954, 982, 1219, 1473, 1908, 1964, 2438, 2946, 3657, 4419, 4876, 5892, 7314, 8838, 10971, 11293, 14628, 17676, 21942, 22586, 26023, 33879, 43884, 45172, 52046, 67758, 78069, 101637, 104092, 135516, 156138, 203274, 234207, 312276, 406548, 468414, 598529, 936828, 1197058, 1795587, 2394116, 3591174, 5386761, 7182348, 10773522, 21547044]

約数ペア:

[(1, 21547044), (2, 10773522), (3, 7182348), (4, 5386761), (6, 3591174), (9, 2394116), (12, 1795587), (18, 1197058), (23, 936828), (36, 598529), (46, 468414), (53, 406548), (69, 312276), (92, 234207), (106, 203274), (138, 156138), (159, 135516), (207, 104092), (212, 101637), (276, 78069), (318, 67758), (414, 52046), (477, 45172), (491, 43884), (636, 33879), (828, 26023), (954, 22586), (982, 21942), (1219, 17676), (1473, 14628), (1908, 11293), (1964, 10971), (2438, 8838), (2946, 7314), (3657, 5892), (4419, 4876)]