21000983952

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33655423}}^1$

素因数の和:33655447

約数の個数: 40

約数和(自身を含む): 58425816064

約数和(自身を除く): 37424832112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33655423, 67310846, 100966269, 134621692, 201932538, 269243384, 403865076, 437520499, 538486768, 807730152, 875040998, 1312561497, 1615460304, 1750081996, 2625122994, 3500163992, 5250245988, 7000327984, 10500491976, 21000983952]

約数ペア:

[(1, 21000983952), (2, 10500491976), (3, 7000327984), (4, 5250245988), (6, 3500163992), (8, 2625122994), (12, 1750081996), (13, 1615460304), (16, 1312561497), (24, 875040998), (26, 807730152), (39, 538486768), (48, 437520499), (52, 403865076), (78, 269243384), (104, 201932538), (156, 134621692), (208, 100966269), (312, 67310846), (624, 33655423)]