21769497

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2173

約数の個数: 24

約数和(自身を含む): 33658560

約数和(自身を除く): 11889063

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 1159, 2087, 3477, 6261, 10431, 18783, 39653, 118959, 127307, 356877, 381921, 1145763, 2418833, 7256499, 21769497]

約数ペア:

[(1, 21769497), (3, 7256499), (9, 2418833), (19, 1145763), (57, 381921), (61, 356877), (171, 127307), (183, 118959), (549, 39653), (1159, 18783), (2087, 10431), (3477, 6261)]