21565206

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{587}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 50725584

約数和(自身を除く): 29160378

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 157, 234, 314, 471, 587, 942, 1174, 1413, 1761, 2041, 2826, 3522, 4082, 5283, 6123, 7631, 10566, 12246, 15262, 18369, 22893, 36738, 45786, 68679, 92159, 137358, 184318, 276477, 552954, 829431, 1198067, 1658862, 2396134, 3594201, 7188402, 10782603, 21565206]

約数ペア:

[(1, 21565206), (2, 10782603), (3, 7188402), (6, 3594201), (9, 2396134), (13, 1658862), (18, 1198067), (26, 829431), (39, 552954), (78, 276477), (117, 184318), (157, 137358), (234, 92159), (314, 68679), (471, 45786), (587, 36738), (942, 22893), (1174, 18369), (1413, 15262), (1761, 12246), (2041, 10566), (2826, 7631), (3522, 6123), (4082, 5283)]