21162852

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 56871360

約数和(自身を除く): 35708508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 61, 69, 92, 122, 138, 183, 207, 244, 276, 366, 414, 419, 549, 732, 828, 838, 1098, 1257, 1403, 1676, 2196, 2514, 2806, 3771, 4209, 5028, 5612, 7542, 8418, 9637, 12627, 15084, 16836, 19274, 25254, 25559, 28911, 38548, 50508, 51118, 57822, 76677, 86733, 102236, 115644, 153354, 173466, 230031, 306708, 346932, 460062, 587857, 920124, 1175714, 1763571, 2351428, 3527142, 5290713, 7054284, 10581426, 21162852]

約数ペア:

[(1, 21162852), (2, 10581426), (3, 7054284), (4, 5290713), (6, 3527142), (9, 2351428), (12, 1763571), (18, 1175714), (23, 920124), (36, 587857), (46, 460062), (61, 346932), (69, 306708), (92, 230031), (122, 173466), (138, 153354), (183, 115644), (207, 102236), (244, 86733), (276, 76677), (366, 57822), (414, 51118), (419, 50508), (549, 38548), (732, 28911), (828, 25559), (838, 25254), (1098, 19274), (1257, 16836), (1403, 15084), (1676, 12627), (2196, 9637), (2514, 8418), (2806, 7542), (3771, 5612), (4209, 5028)]