21820652

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 47050752

約数和(自身を除く): 25230100

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 62, 92, 124, 161, 217, 322, 434, 644, 713, 868, 1093, 1426, 2186, 2852, 4372, 4991, 7651, 9982, 15302, 19964, 25139, 30604, 33883, 50278, 67766, 100556, 135532, 175973, 237181, 351946, 474362, 703892, 779309, 948724, 1558618, 3117236, 5455163, 10910326, 21820652]

約数ペア:

[(1, 21820652), (2, 10910326), (4, 5455163), (7, 3117236), (14, 1558618), (23, 948724), (28, 779309), (31, 703892), (46, 474362), (62, 351946), (92, 237181), (124, 175973), (161, 135532), (217, 100556), (322, 67766), (434, 50278), (644, 33883), (713, 30604), (868, 25139), (1093, 19964), (1426, 15302), (2186, 9982), (2852, 7651), (4372, 4991)]