21708960425

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1\times {\mathrm{349}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 27823219200

約数和(自身を除く): 6114258775

約数列:

[1, 5, 25, 47, 167, 235, 317, 349, 835, 1175, 1585, 1745, 4175, 7849, 7925, 8725, 14899, 16403, 39245, 52939, 58283, 74495, 82015, 110633, 196225, 264695, 291415, 372475, 410075, 553165, 1323475, 1457075, 2488133, 2739301, 2765825, 5199751, 12440665, 13696505, 18475711, 25998755, 62203325, 68482525, 92378555, 129993775, 461892775, 868358417, 4341792085, 21708960425]

約数ペア:

[(1, 21708960425), (5, 4341792085), (25, 868358417), (47, 461892775), (167, 129993775), (235, 92378555), (317, 68482525), (349, 62203325), (835, 25998755), (1175, 18475711), (1585, 13696505), (1745, 12440665), (4175, 5199751), (7849, 2765825), (7925, 2739301), (8725, 2488133), (14899, 1457075), (16403, 1323475), (39245, 553165), (52939, 410075), (58283, 372475), (74495, 291415), (82015, 264695), (110633, 196225)]