21572754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2969}}^1$

素因数の和:3154

約数の個数: 32

約数和(自身を含む): 49610880

約数和(自身を除く): 28038126

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 2969, 3633, 5938, 7266, 8907, 17814, 20783, 41566, 62349, 124698, 513637, 1027274, 1540911, 3081822, 3595459, 7190918, 10786377, 21572754]

約数ペア:

[(1, 21572754), (2, 10786377), (3, 7190918), (6, 3595459), (7, 3081822), (14, 1540911), (21, 1027274), (42, 513637), (173, 124698), (346, 62349), (519, 41566), (1038, 20783), (1211, 17814), (2422, 8907), (2969, 7266), (3633, 5938)]