21107744

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 52690176

約数和(自身を除く): 31582432

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 224, 238, 241, 272, 322, 368, 391, 476, 482, 544, 644, 736, 782, 952, 964, 1288, 1564, 1687, 1904, 1928, 2576, 2737, 3128, 3374, 3808, 3856, 4097, 5152, 5474, 5543, 6256, 6748, 7712, 8194, 10948, 11086, 12512, 13496, 16388, 21896, 22172, 26992, 28679, 32776, 38801, 43792, 44344, 53984, 57358, 65552, 77602, 87584, 88688, 94231, 114716, 131104, 155204, 177376, 188462, 229432, 310408, 376924, 458864, 620816, 659617, 753848, 917728, 1241632, 1319234, 1507696, 2638468, 3015392, 5276936, 10553872, 21107744]

約数ペア:

[(1, 21107744), (2, 10553872), (4, 5276936), (7, 3015392), (8, 2638468), (14, 1507696), (16, 1319234), (17, 1241632), (23, 917728), (28, 753848), (32, 659617), (34, 620816), (46, 458864), (56, 376924), (68, 310408), (92, 229432), (112, 188462), (119, 177376), (136, 155204), (161, 131104), (184, 114716), (224, 94231), (238, 88688), (241, 87584), (272, 77602), (322, 65552), (368, 57358), (391, 53984), (476, 44344), (482, 43792), (544, 38801), (644, 32776), (736, 28679), (782, 26992), (952, 22172), (964, 21896), (1288, 16388), (1564, 13496), (1687, 12512), (1904, 11086), (1928, 10948), (2576, 8194), (2737, 7712), (3128, 6748), (3374, 6256), (3808, 5543), (3856, 5474), (4097, 5152)]