21343248

素因数分解:

$2^4\times 3^2\times {\mathrm{103}}^1\times {\mathrm{1439}}^1$

素因数の和:1556

約数の個数: 60

約数和(自身を含む): 60353280

約数和(自身を除く): 39010032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 103, 144, 206, 309, 412, 618, 824, 927, 1236, 1439, 1648, 1854, 2472, 2878, 3708, 4317, 4944, 5756, 7416, 8634, 11512, 12951, 14832, 17268, 23024, 25902, 34536, 51804, 69072, 103608, 148217, 207216, 296434, 444651, 592868, 889302, 1185736, 1333953, 1778604, 2371472, 2667906, 3557208, 5335812, 7114416, 10671624, 21343248]

約数ペア:

[(1, 21343248), (2, 10671624), (3, 7114416), (4, 5335812), (6, 3557208), (8, 2667906), (9, 2371472), (12, 1778604), (16, 1333953), (18, 1185736), (24, 889302), (36, 592868), (48, 444651), (72, 296434), (103, 207216), (144, 148217), (206, 103608), (309, 69072), (412, 51804), (618, 34536), (824, 25902), (927, 23024), (1236, 17268), (1439, 14832), (1648, 12951), (1854, 11512), (2472, 8634), (2878, 7416), (3708, 5756), (4317, 4944)]