213020210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{86243}}^1$

素因数の和:86282

約数の個数: 32

約数和(自身を含む): 434669760

約数和(自身を除く): 221649550

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 86243, 172486, 431215, 862430, 1121159, 1638617, 2242318, 3277234, 5605795, 8193085, 11211590, 16386170, 21302021, 42604042, 106510105, 213020210]

約数ペア:

[(1, 213020210), (2, 106510105), (5, 42604042), (10, 21302021), (13, 16386170), (19, 11211590), (26, 8193085), (38, 5605795), (65, 3277234), (95, 2242318), (130, 1638617), (190, 1121159), (247, 862430), (494, 431215), (1235, 172486), (2470, 86243)]