21802595

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 28309824

約数和(自身を除く): 6507229

約数列:

[1, 5, 19, 47, 95, 235, 257, 361, 893, 1285, 1805, 4465, 4883, 12079, 16967, 24415, 60395, 84835, 92777, 229501, 463885, 1147505, 4360519, 21802595]

約数ペア:

[(1, 21802595), (5, 4360519), (19, 1147505), (47, 463885), (95, 229501), (235, 92777), (257, 84835), (361, 60395), (893, 24415), (1285, 16967), (1805, 12079), (4465, 4883)]