21351471984

素因数分解:

$2^4\times 3^2\times {\mathrm{829}}^1\times {\mathrm{178859}}^1$

素因数の和:179702

約数の個数: 60

約数和(自身を含む): 59826881400

約数和(自身を除く): 38475409416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 829, 1658, 2487, 3316, 4974, 6632, 7461, 9948, 13264, 14922, 19896, 29844, 39792, 59688, 119376, 178859, 357718, 536577, 715436, 1073154, 1430872, 1609731, 2146308, 2861744, 3219462, 4292616, 6438924, 8585232, 12877848, 25755696, 148274111, 296548222, 444822333, 593096444, 889644666, 1186192888, 1334466999, 1779289332, 2372385776, 2668933998, 3558578664, 5337867996, 7117157328, 10675735992, 21351471984]

約数ペア:

[(1, 21351471984), (2, 10675735992), (3, 7117157328), (4, 5337867996), (6, 3558578664), (8, 2668933998), (9, 2372385776), (12, 1779289332), (16, 1334466999), (18, 1186192888), (24, 889644666), (36, 593096444), (48, 444822333), (72, 296548222), (144, 148274111), (829, 25755696), (1658, 12877848), (2487, 8585232), (3316, 6438924), (4974, 4292616), (6632, 3219462), (7461, 2861744), (9948, 2146308), (13264, 1609731), (14922, 1430872), (19896, 1073154), (29844, 715436), (39792, 536577), (59688, 357718), (119376, 178859)]