21097112

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{877}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 41301120

約数和(自身を除く): 20204008

約数列:

[1, 2, 4, 8, 31, 62, 97, 124, 194, 248, 388, 776, 877, 1754, 3007, 3508, 6014, 7016, 12028, 24056, 27187, 54374, 85069, 108748, 170138, 217496, 340276, 680552, 2637139, 5274278, 10548556, 21097112]

約数ペア:

[(1, 21097112), (2, 10548556), (4, 5274278), (8, 2637139), (31, 680552), (62, 340276), (97, 217496), (124, 170138), (194, 108748), (248, 85069), (388, 54374), (776, 27187), (877, 24056), (1754, 12028), (3007, 7016), (3508, 6014)]