21454830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1069}}^1$

素因数の和:1305

約数の個数: 48

約数和(自身を含む): 56085120

約数和(自身を除く): 34630290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 1069, 1115, 1338, 2007, 2138, 2230, 3207, 3345, 4014, 5345, 6414, 6690, 9621, 10035, 10690, 16035, 19242, 20070, 32070, 48105, 96210, 238387, 476774, 715161, 1191935, 1430322, 2145483, 2383870, 3575805, 4290966, 7151610, 10727415, 21454830]

約数ペア:

[(1, 21454830), (2, 10727415), (3, 7151610), (5, 4290966), (6, 3575805), (9, 2383870), (10, 2145483), (15, 1430322), (18, 1191935), (30, 715161), (45, 476774), (90, 238387), (223, 96210), (446, 48105), (669, 32070), (1069, 20070), (1115, 19242), (1338, 16035), (2007, 10690), (2138, 10035), (2230, 9621), (3207, 6690), (3345, 6414), (4014, 5345)]