21085456

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6073}}^1$

素因数の和:6119

約数の個数: 40

約数和(自身を含む): 48203264

約数和(自身を除く): 27117808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6073, 12146, 24292, 42511, 48584, 85022, 97168, 170044, 188263, 340088, 376526, 680176, 753052, 1317841, 1506104, 2635682, 3012208, 5271364, 10542728, 21085456]

約数ペア:

[(1, 21085456), (2, 10542728), (4, 5271364), (7, 3012208), (8, 2635682), (14, 1506104), (16, 1317841), (28, 753052), (31, 680176), (56, 376526), (62, 340088), (112, 188263), (124, 170044), (217, 97168), (248, 85022), (434, 48584), (496, 42511), (868, 24292), (1736, 12146), (3472, 6073)]