21719076

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 52421376

約数和(自身を除く): 30702300

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 97, 141, 188, 194, 282, 291, 388, 397, 564, 582, 794, 1164, 1191, 1588, 2382, 4559, 4764, 9118, 13677, 18236, 18659, 27354, 37318, 38509, 54708, 55977, 74636, 77018, 111954, 115527, 154036, 223908, 231054, 462108, 1809923, 3619846, 5429769, 7239692, 10859538, 21719076]

約数ペア:

[(1, 21719076), (2, 10859538), (3, 7239692), (4, 5429769), (6, 3619846), (12, 1809923), (47, 462108), (94, 231054), (97, 223908), (141, 154036), (188, 115527), (194, 111954), (282, 77018), (291, 74636), (388, 55977), (397, 54708), (564, 38509), (582, 37318), (794, 27354), (1164, 18659), (1191, 18236), (1588, 13677), (2382, 9118), (4559, 4764)]