21592455

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 36633600

約数和(自身を除く): 15041145

約数列:

[1, 3, 5, 15, 19, 57, 95, 239, 285, 317, 717, 951, 1195, 1585, 3585, 4541, 4755, 6023, 13623, 18069, 22705, 30115, 68115, 75763, 90345, 227289, 378815, 1136445, 1439497, 4318491, 7197485, 21592455]

約数ペア:

[(1, 21592455), (3, 7197485), (5, 4318491), (15, 1439497), (19, 1136445), (57, 378815), (95, 227289), (239, 90345), (285, 75763), (317, 68115), (717, 30115), (951, 22705), (1195, 18069), (1585, 13623), (3585, 6023), (4541, 4755)]