21495312

素因数分解:

$2^4\times 3^2\times {\mathrm{113}}^1\times {\mathrm{1321}}^1$

素因数の和:1448

約数の個数: 60

約数和(自身を含む): 60735324

約数和(自身を除く): 39240012

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 113, 144, 226, 339, 452, 678, 904, 1017, 1321, 1356, 1808, 2034, 2642, 2712, 3963, 4068, 5284, 5424, 7926, 8136, 10568, 11889, 15852, 16272, 21136, 23778, 31704, 47556, 63408, 95112, 149273, 190224, 298546, 447819, 597092, 895638, 1194184, 1343457, 1791276, 2388368, 2686914, 3582552, 5373828, 7165104, 10747656, 21495312]

約数ペア:

[(1, 21495312), (2, 10747656), (3, 7165104), (4, 5373828), (6, 3582552), (8, 2686914), (9, 2388368), (12, 1791276), (16, 1343457), (18, 1194184), (24, 895638), (36, 597092), (48, 447819), (72, 298546), (113, 190224), (144, 149273), (226, 95112), (339, 63408), (452, 47556), (678, 31704), (904, 23778), (1017, 21136), (1321, 16272), (1356, 15852), (1808, 11889), (2034, 10568), (2642, 8136), (2712, 7926), (3963, 5424), (4068, 5284)]