21734195

素因数分解:

$5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:97

約数の個数: 64

約数和(自身を含む): 34560000

約数和(自身を除く): 12825805

約数列:

[1, 5, 7, 19, 23, 29, 35, 49, 95, 115, 133, 145, 161, 203, 245, 343, 437, 551, 665, 667, 805, 931, 1015, 1127, 1421, 1715, 2185, 2755, 3059, 3335, 3857, 4655, 4669, 5635, 6517, 7105, 7889, 9947, 12673, 15295, 19285, 21413, 23345, 26999, 32585, 32683, 39445, 49735, 63365, 88711, 107065, 134995, 149891, 163415, 188993, 228781, 443555, 620977, 749455, 944965, 1143905, 3104885, 4346839, 21734195]

約数ペア:

[(1, 21734195), (5, 4346839), (7, 3104885), (19, 1143905), (23, 944965), (29, 749455), (35, 620977), (49, 443555), (95, 228781), (115, 188993), (133, 163415), (145, 149891), (161, 134995), (203, 107065), (245, 88711), (343, 63365), (437, 49735), (551, 39445), (665, 32683), (667, 32585), (805, 26999), (931, 23345), (1015, 21413), (1127, 19285), (1421, 15295), (1715, 12673), (2185, 9947), (2755, 7889), (3059, 7105), (3335, 6517), (3857, 5635), (4655, 4669)]