21348278

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{397}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 38513664

約数和(自身を除く): 17165386

約数列:

[1, 2, 7, 14, 23, 46, 161, 167, 322, 334, 397, 794, 1169, 2338, 2779, 3841, 5558, 7682, 9131, 18262, 26887, 53774, 63917, 66299, 127834, 132598, 464093, 928186, 1524877, 3049754, 10674139, 21348278]

約数ペア:

[(1, 21348278), (2, 10674139), (7, 3049754), (14, 1524877), (23, 928186), (46, 464093), (161, 132598), (167, 127834), (322, 66299), (334, 63917), (397, 53774), (794, 26887), (1169, 18262), (2338, 9131), (2779, 7682), (3841, 5558)]