21645660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{983}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 60834816

約数和(自身を除く): 39189156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 367, 734, 983, 1101, 1468, 1835, 1966, 2202, 2949, 3670, 3932, 4404, 4915, 5505, 5898, 7340, 9830, 11010, 11796, 14745, 19660, 22020, 29490, 58980, 360761, 721522, 1082283, 1443044, 1803805, 2164566, 3607610, 4329132, 5411415, 7215220, 10822830, 21645660]

約数ペア:

[(1, 21645660), (2, 10822830), (3, 7215220), (4, 5411415), (5, 4329132), (6, 3607610), (10, 2164566), (12, 1803805), (15, 1443044), (20, 1082283), (30, 721522), (60, 360761), (367, 58980), (734, 29490), (983, 22020), (1101, 19660), (1468, 14745), (1835, 11796), (1966, 11010), (2202, 9830), (2949, 7340), (3670, 5898), (3932, 5505), (4404, 4915)]