21505819494

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{5689}}^1\times {\mathrm{4013}}^1$

素因数の和:9864

約数の個数: 32

約数和(自身を含む): 43303995360

約数和(自身を除く): 21798175866

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 4013, 5689, 8026, 11378, 12039, 17067, 24078, 34134, 630041, 893173, 1260082, 1786346, 1890123, 2679519, 3780246, 5359038, 22829957, 45659914, 68489871, 136979742, 3584303249, 7168606498, 10752909747, 21505819494]

約数ペア:

[(1, 21505819494), (2, 10752909747), (3, 7168606498), (6, 3584303249), (157, 136979742), (314, 68489871), (471, 45659914), (942, 22829957), (4013, 5359038), (5689, 3780246), (8026, 2679519), (11378, 1890123), (12039, 1786346), (17067, 1260082), (24078, 893173), (34134, 630041)]