21494913596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1248833}}^1$

素因数の和:1249181

約数の個数: 24

約数和(自身を含む): 40632063024

約数和(自身を除く): 19137149428

約数列:

[1, 2, 4, 13, 26, 52, 331, 662, 1324, 4303, 8606, 17212, 1248833, 2497666, 4995332, 16234829, 32469658, 64939316, 413363723, 826727446, 1653454892, 5373728399, 10747456798, 21494913596]

約数ペア:

[(1, 21494913596), (2, 10747456798), (4, 5373728399), (13, 1653454892), (26, 826727446), (52, 413363723), (331, 64939316), (662, 32469658), (1324, 16234829), (4303, 4995332), (8606, 2497666), (17212, 1248833)]