21755664

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 70566912

約数和(自身を除く): 48811248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 113, 126, 144, 168, 191, 226, 252, 336, 339, 382, 452, 504, 573, 678, 764, 791, 904, 1008, 1017, 1146, 1337, 1356, 1528, 1582, 1719, 1808, 2034, 2292, 2373, 2674, 2712, 3056, 3164, 3438, 4011, 4068, 4584, 4746, 5348, 5424, 6328, 6876, 7119, 8022, 8136, 9168, 9492, 10696, 12033, 12656, 13752, 14238, 16044, 16272, 18984, 21392, 21583, 24066, 27504, 28476, 32088, 37968, 43166, 48132, 56952, 64176, 64749, 86332, 96264, 113904, 129498, 151081, 172664, 192528, 194247, 258996, 302162, 345328, 388494, 453243, 517992, 604324, 776988, 906486, 1035984, 1208648, 1359729, 1553976, 1812972, 2417296, 2719458, 3107952, 3625944, 5438916, 7251888, 10877832, 21755664]

約数ペア:

[(1, 21755664), (2, 10877832), (3, 7251888), (4, 5438916), (6, 3625944), (7, 3107952), (8, 2719458), (9, 2417296), (12, 1812972), (14, 1553976), (16, 1359729), (18, 1208648), (21, 1035984), (24, 906486), (28, 776988), (36, 604324), (42, 517992), (48, 453243), (56, 388494), (63, 345328), (72, 302162), (84, 258996), (112, 194247), (113, 192528), (126, 172664), (144, 151081), (168, 129498), (191, 113904), (226, 96264), (252, 86332), (336, 64749), (339, 64176), (382, 56952), (452, 48132), (504, 43166), (573, 37968), (678, 32088), (764, 28476), (791, 27504), (904, 24066), (1008, 21583), (1017, 21392), (1146, 18984), (1337, 16272), (1356, 16044), (1528, 14238), (1582, 13752), (1719, 12656), (1808, 12033), (2034, 10696), (2292, 9492), (2373, 9168), (2674, 8136), (2712, 8022), (3056, 7119), (3164, 6876), (3438, 6328), (4011, 5424), (4068, 5348), (4584, 4746)]