21662428

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1801}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 39557504

約数和(自身を除く): 17895076

約数列:

[1, 2, 4, 31, 62, 97, 124, 194, 388, 1801, 3007, 3602, 6014, 7204, 12028, 55831, 111662, 174697, 223324, 349394, 698788, 5415607, 10831214, 21662428]

約数ペア:

[(1, 21662428), (2, 10831214), (4, 5415607), (31, 698788), (62, 349394), (97, 223324), (124, 174697), (194, 111662), (388, 55831), (1801, 12028), (3007, 7204), (3602, 6014)]