21402144

素因数分解:

$2^5\times 3^4\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:404

約数の個数: 120

約数和(自身を含む): 65862720

約数和(自身を除く): 44460576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 207, 216, 276, 288, 324, 359, 368, 414, 432, 552, 621, 648, 718, 736, 828, 864, 1077, 1104, 1242, 1296, 1436, 1656, 1863, 2154, 2208, 2484, 2592, 2872, 3231, 3312, 3726, 4308, 4968, 5744, 6462, 6624, 7452, 8257, 8616, 9693, 9936, 11488, 12924, 14904, 16514, 17232, 19386, 19872, 24771, 25848, 29079, 29808, 33028, 34464, 38772, 49542, 51696, 58158, 59616, 66056, 74313, 77544, 99084, 103392, 116316, 132112, 148626, 155088, 198168, 222939, 232632, 264224, 297252, 310176, 396336, 445878, 465264, 594504, 668817, 792672, 891756, 930528, 1189008, 1337634, 1783512, 2378016, 2675268, 3567024, 5350536, 7134048, 10701072, 21402144]

約数ペア:

[(1, 21402144), (2, 10701072), (3, 7134048), (4, 5350536), (6, 3567024), (8, 2675268), (9, 2378016), (12, 1783512), (16, 1337634), (18, 1189008), (23, 930528), (24, 891756), (27, 792672), (32, 668817), (36, 594504), (46, 465264), (48, 445878), (54, 396336), (69, 310176), (72, 297252), (81, 264224), (92, 232632), (96, 222939), (108, 198168), (138, 155088), (144, 148626), (162, 132112), (184, 116316), (207, 103392), (216, 99084), (276, 77544), (288, 74313), (324, 66056), (359, 59616), (368, 58158), (414, 51696), (432, 49542), (552, 38772), (621, 34464), (648, 33028), (718, 29808), (736, 29079), (828, 25848), (864, 24771), (1077, 19872), (1104, 19386), (1242, 17232), (1296, 16514), (1436, 14904), (1656, 12924), (1863, 11488), (2154, 9936), (2208, 9693), (2484, 8616), (2592, 8257), (2872, 7452), (3231, 6624), (3312, 6462), (3726, 5744), (4308, 4968)]