21000359568

素因数分解:

$2^4\times 3^1\times {\mathrm{223}}^1\times {\mathrm{1961917}}^1$

素因数の和:1962151

約数の個数: 40

約数和(自身を含む): 54494234368

約数和(自身を除く): 33493874800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 223, 446, 669, 892, 1338, 1784, 2676, 3568, 5352, 10704, 1961917, 3923834, 5885751, 7847668, 11771502, 15695336, 23543004, 31390672, 47086008, 94172016, 437507491, 875014982, 1312522473, 1750029964, 2625044946, 3500059928, 5250089892, 7000119856, 10500179784, 21000359568]

約数ペア:

[(1, 21000359568), (2, 10500179784), (3, 7000119856), (4, 5250089892), (6, 3500059928), (8, 2625044946), (12, 1750029964), (16, 1312522473), (24, 875014982), (48, 437507491), (223, 94172016), (446, 47086008), (669, 31390672), (892, 23543004), (1338, 15695336), (1784, 11771502), (2676, 7847668), (3568, 5885751), (5352, 3923834), (10704, 1961917)]