21097416

素因数分解:

$2^3\times 3^1\times {\mathrm{163}}^1\times {\mathrm{5393}}^1$

素因数の和:5565

約数の個数: 32

約数和(自身を含む): 53076960

約数和(自身を除く): 31979544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 163, 326, 489, 652, 978, 1304, 1956, 3912, 5393, 10786, 16179, 21572, 32358, 43144, 64716, 129432, 879059, 1758118, 2637177, 3516236, 5274354, 7032472, 10548708, 21097416]

約数ペア:

[(1, 21097416), (2, 10548708), (3, 7032472), (4, 5274354), (6, 3516236), (8, 2637177), (12, 1758118), (24, 879059), (163, 129432), (326, 64716), (489, 43144), (652, 32358), (978, 21572), (1304, 16179), (1956, 10786), (3912, 5393)]