21735135

素因数分解:

$3^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 56

約数和(自身を含む): 40134960

約数和(自身を除く): 18399825

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 89, 135, 201, 243, 267, 335, 405, 445, 603, 729, 801, 1005, 1215, 1335, 1809, 2403, 3015, 3645, 4005, 5427, 5963, 7209, 9045, 12015, 16281, 17889, 21627, 27135, 29815, 36045, 48843, 53667, 64881, 81405, 89445, 108135, 161001, 244215, 268335, 324405, 483003, 805005, 1449009, 2415015, 4347027, 7245045, 21735135]

約数ペア:

[(1, 21735135), (3, 7245045), (5, 4347027), (9, 2415015), (15, 1449009), (27, 805005), (45, 483003), (67, 324405), (81, 268335), (89, 244215), (135, 161001), (201, 108135), (243, 89445), (267, 81405), (335, 64881), (405, 53667), (445, 48843), (603, 36045), (729, 29815), (801, 27135), (1005, 21627), (1215, 17889), (1335, 16281), (1809, 12015), (2403, 9045), (3015, 7209), (3645, 5963), (4005, 5427)]