21058702

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 37278144

約数和(自身を除く): 16219442

約数列:

[1, 2, 7, 14, 53, 101, 106, 202, 281, 371, 562, 707, 742, 1414, 1967, 3934, 5353, 10706, 14893, 28381, 29786, 37471, 56762, 74942, 104251, 198667, 208502, 397334, 1504193, 3008386, 10529351, 21058702]

約数ペア:

[(1, 21058702), (2, 10529351), (7, 3008386), (14, 1504193), (53, 397334), (101, 208502), (106, 198667), (202, 104251), (281, 74942), (371, 56762), (562, 37471), (707, 29786), (742, 28381), (1414, 14893), (1967, 10706), (3934, 5353)]