21332280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10457}}^1$

素因数の和:10488

約数の個数: 64

約数和(自身を含む): 67767840

約数和(自身を除く): 46435560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10457, 20914, 31371, 41828, 52285, 62742, 83656, 104570, 125484, 156855, 177769, 209140, 250968, 313710, 355538, 418280, 533307, 627420, 711076, 888845, 1066614, 1254840, 1422152, 1777690, 2133228, 2666535, 3555380, 4266456, 5333070, 7110760, 10666140, 21332280]

約数ペア:

[(1, 21332280), (2, 10666140), (3, 7110760), (4, 5333070), (5, 4266456), (6, 3555380), (8, 2666535), (10, 2133228), (12, 1777690), (15, 1422152), (17, 1254840), (20, 1066614), (24, 888845), (30, 711076), (34, 627420), (40, 533307), (51, 418280), (60, 355538), (68, 313710), (85, 250968), (102, 209140), (120, 177769), (136, 156855), (170, 125484), (204, 104570), (255, 83656), (340, 62742), (408, 52285), (510, 41828), (680, 31371), (1020, 20914), (2040, 10457)]