21027034

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 38286720

約数和(自身を除く): 17259686

約数列:

[1, 2, 7, 14, 19, 38, 133, 137, 266, 274, 577, 959, 1154, 1918, 2603, 4039, 5206, 8078, 10963, 18221, 21926, 36442, 76741, 79049, 153482, 158098, 553343, 1106686, 1501931, 3003862, 10513517, 21027034]

約数ペア:

[(1, 21027034), (2, 10513517), (7, 3003862), (14, 1501931), (19, 1106686), (38, 553343), (133, 158098), (137, 153482), (266, 79049), (274, 76741), (577, 36442), (959, 21926), (1154, 18221), (1918, 10963), (2603, 8078), (4039, 5206)]