21148300

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2677}}^1$

素因数の和:2770

約数の個数: 36

約数和(自身を含む): 46490080

約数和(自身を除く): 25341780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2677, 3950, 5354, 7900, 10708, 13385, 26770, 53540, 66925, 133850, 211483, 267700, 422966, 845932, 1057415, 2114830, 4229660, 5287075, 10574150, 21148300]

約数ペア:

[(1, 21148300), (2, 10574150), (4, 5287075), (5, 4229660), (10, 2114830), (20, 1057415), (25, 845932), (50, 422966), (79, 267700), (100, 211483), (158, 133850), (316, 66925), (395, 53540), (790, 26770), (1580, 13385), (1975, 10708), (2677, 7900), (3950, 5354)]