21961497620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2617}}^1\times {\mathrm{3203}}^1$

素因数の和:5960

約数の個数: 48

約数和(自身を含む): 46503471168

約数和(自身を除く): 24541973548

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2617, 2620, 3203, 5234, 6406, 10468, 12812, 13085, 16015, 26170, 32030, 52340, 64060, 342827, 419593, 685654, 839186, 1371308, 1678372, 1714135, 2097965, 3428270, 4195930, 6856540, 8382251, 8391860, 16764502, 33529004, 41911255, 83822510, 167645020, 1098074881, 2196149762, 4392299524, 5490374405, 10980748810, 21961497620]

約数ペア:

[(1, 21961497620), (2, 10980748810), (4, 5490374405), (5, 4392299524), (10, 2196149762), (20, 1098074881), (131, 167645020), (262, 83822510), (524, 41911255), (655, 33529004), (1310, 16764502), (2617, 8391860), (2620, 8382251), (3203, 6856540), (5234, 4195930), (6406, 3428270), (10468, 2097965), (12812, 1714135), (13085, 1678372), (16015, 1371308), (26170, 839186), (32030, 685654), (52340, 419593), (64060, 342827)]