21248392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7789}}^1$

素因数の和:7837

約数の個数: 32

約数和(自身を含む): 44870400

約数和(自身を除く): 23622008

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7789, 15578, 31156, 62312, 85679, 171358, 241459, 342716, 482918, 685432, 965836, 1931672, 2656049, 5312098, 10624196, 21248392]

約数ペア:

[(1, 21248392), (2, 10624196), (4, 5312098), (8, 2656049), (11, 1931672), (22, 965836), (31, 685432), (44, 482918), (62, 342716), (88, 241459), (124, 171358), (248, 85679), (341, 62312), (682, 31156), (1364, 15578), (2728, 7789)]