21649998

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 44416800

約数和(自身を除く): 22766802

約数列:

[1, 2, 3, 6, 61, 122, 149, 183, 298, 366, 397, 447, 794, 894, 1191, 2382, 9089, 18178, 24217, 27267, 48434, 54534, 59153, 72651, 118306, 145302, 177459, 354918, 3608333, 7216666, 10824999, 21649998]

約数ペア:

[(1, 21649998), (2, 10824999), (3, 7216666), (6, 3608333), (61, 354918), (122, 177459), (149, 145302), (183, 118306), (298, 72651), (366, 59153), (397, 54534), (447, 48434), (794, 27267), (894, 24217), (1191, 18178), (2382, 9089)]