21319444

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9049}}^1$

素因数の和:9103

約数の個数: 24

約数和(自身を含む): 40544000

約数和(自身を除く): 19224556

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 9049, 18098, 36196, 171931, 280519, 343862, 561038, 687724, 1122076, 5329861, 10659722, 21319444]

約数ペア:

[(1, 21319444), (2, 10659722), (4, 5329861), (19, 1122076), (31, 687724), (38, 561038), (62, 343862), (76, 280519), (124, 171931), (589, 36196), (1178, 18098), (2356, 9049)]