21401760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44587}}^1$

素因数の和:44605

約数の個数: 48

約数和(自身を含む): 67417056

約数和(自身を除く): 46015296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44587, 89174, 133761, 178348, 222935, 267522, 356696, 445870, 535044, 668805, 713392, 891740, 1070088, 1337610, 1426784, 1783480, 2140176, 2675220, 3566960, 4280352, 5350440, 7133920, 10700880, 21401760]

約数ペア:

[(1, 21401760), (2, 10700880), (3, 7133920), (4, 5350440), (5, 4280352), (6, 3566960), (8, 2675220), (10, 2140176), (12, 1783480), (15, 1426784), (16, 1337610), (20, 1070088), (24, 891740), (30, 713392), (32, 668805), (40, 535044), (48, 445870), (60, 356696), (80, 267522), (96, 222935), (120, 178348), (160, 133761), (240, 89174), (480, 44587)]