21113747

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 22766400

約数和(自身を除く): 1652653

約数列:

[1, 23, 61, 101, 149, 1403, 2323, 3427, 6161, 9089, 15049, 141703, 209047, 346127, 917989, 21113747]

約数ペア:

[(1, 21113747), (23, 917989), (61, 346127), (101, 209047), (149, 141703), (1403, 15049), (2323, 9089), (3427, 6161)]