21479724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{85237}}^1$

素因数の和:85254

約数の個数: 36

約数和(自身を含む): 62053264

約数和(自身を除く): 40573540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 85237, 170474, 255711, 340948, 511422, 596659, 767133, 1022844, 1193318, 1534266, 1789977, 2386636, 3068532, 3579954, 5369931, 7159908, 10739862, 21479724]

約数ペア:

[(1, 21479724), (2, 10739862), (3, 7159908), (4, 5369931), (6, 3579954), (7, 3068532), (9, 2386636), (12, 1789977), (14, 1534266), (18, 1193318), (21, 1022844), (28, 767133), (36, 596659), (42, 511422), (63, 340948), (84, 255711), (126, 170474), (252, 85237)]