21289829328

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4769227}}^1$

素因数の和:4769272

約数の個数: 60

約数和(自身を含む): 61503964288

約数和(自身を除く): 40214134960

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4769227, 9538454, 14307681, 19076908, 28615362, 38153816, 42923043, 57230724, 76307632, 85846086, 114461448, 147846037, 171692172, 228922896, 295692074, 343384344, 443538111, 591384148, 686768688, 887076222, 1182768296, 1330614333, 1774152444, 2365536592, 2661228666, 3548304888, 5322457332, 7096609776, 10644914664, 21289829328]

約数ペア:

[(1, 21289829328), (2, 10644914664), (3, 7096609776), (4, 5322457332), (6, 3548304888), (8, 2661228666), (9, 2365536592), (12, 1774152444), (16, 1330614333), (18, 1182768296), (24, 887076222), (31, 686768688), (36, 591384148), (48, 443538111), (62, 343384344), (72, 295692074), (93, 228922896), (124, 171692172), (144, 147846037), (186, 114461448), (248, 85846086), (279, 76307632), (372, 57230724), (496, 42923043), (558, 38153816), (744, 28615362), (1116, 19076908), (1488, 14307681), (2232, 9538454), (4464, 4769227)]