216153420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{514651}}^1$

素因数の和:514670

約数の個数: 48

約数和(自身を含む): 691692288

約数和(自身を除く): 475538868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 514651, 1029302, 1543953, 2058604, 2573255, 3087906, 3602557, 5146510, 6175812, 7205114, 7719765, 10293020, 10807671, 14410228, 15439530, 18012785, 21615342, 30879060, 36025570, 43230684, 54038355, 72051140, 108076710, 216153420]

約数ペア:

[(1, 216153420), (2, 108076710), (3, 72051140), (4, 54038355), (5, 43230684), (6, 36025570), (7, 30879060), (10, 21615342), (12, 18012785), (14, 15439530), (15, 14410228), (20, 10807671), (21, 10293020), (28, 7719765), (30, 7205114), (35, 6175812), (42, 5146510), (60, 3602557), (70, 3087906), (84, 2573255), (105, 2058604), (140, 1543953), (210, 1029302), (420, 514651)]