21385182

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 32321058

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 739, 742, 1113, 1378, 1478, 2067, 2217, 2226, 4134, 4434, 4823, 5173, 9607, 9646, 10346, 14469, 15519, 19214, 28821, 28938, 31038, 39167, 57642, 67249, 78334, 117501, 134498, 201747, 235002, 274169, 403494, 509171, 548338, 822507, 1018342, 1527513, 1645014, 3055026, 3564197, 7128394, 10692591, 21385182]

約数ペア:

[(1, 21385182), (2, 10692591), (3, 7128394), (6, 3564197), (7, 3055026), (13, 1645014), (14, 1527513), (21, 1018342), (26, 822507), (39, 548338), (42, 509171), (53, 403494), (78, 274169), (91, 235002), (106, 201747), (159, 134498), (182, 117501), (273, 78334), (318, 67249), (371, 57642), (546, 39167), (689, 31038), (739, 28938), (742, 28821), (1113, 19214), (1378, 15519), (1478, 14469), (2067, 10346), (2217, 9646), (2226, 9607), (4134, 5173), (4434, 4823)]