21393924

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{911}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 53114880

約数和(自身を除く): 31720956

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 103, 114, 206, 228, 309, 412, 618, 911, 1236, 1822, 1957, 2733, 3644, 3914, 5466, 5871, 7828, 10932, 11742, 17309, 23484, 34618, 51927, 69236, 93833, 103854, 187666, 207708, 281499, 375332, 562998, 1125996, 1782827, 3565654, 5348481, 7131308, 10696962, 21393924]

約数ペア:

[(1, 21393924), (2, 10696962), (3, 7131308), (4, 5348481), (6, 3565654), (12, 1782827), (19, 1125996), (38, 562998), (57, 375332), (76, 281499), (103, 207708), (114, 187666), (206, 103854), (228, 93833), (309, 69236), (412, 51927), (618, 34618), (911, 23484), (1236, 17309), (1822, 11742), (1957, 10932), (2733, 7828), (3644, 5871), (3914, 5466)]