21796170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^2$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 57289248

約数和(自身を除く): 35493078

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 257, 330, 514, 771, 1285, 1542, 2570, 2827, 3855, 5654, 7710, 8481, 14135, 16962, 28270, 42405, 66049, 84810, 132098, 198147, 330245, 396294, 660490, 726539, 990735, 1453078, 1981470, 2179617, 3632695, 4359234, 7265390, 10898085, 21796170]

約数ペア:

[(1, 21796170), (2, 10898085), (3, 7265390), (5, 4359234), (6, 3632695), (10, 2179617), (11, 1981470), (15, 1453078), (22, 990735), (30, 726539), (33, 660490), (55, 396294), (66, 330245), (110, 198147), (165, 132098), (257, 84810), (330, 66049), (514, 42405), (771, 28270), (1285, 16962), (1542, 14135), (2570, 8481), (2827, 7710), (3855, 5654)]