21134516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 21540172

約数列:

[1, 2, 4, 13, 23, 26, 41, 46, 52, 82, 92, 164, 299, 431, 533, 598, 862, 943, 1066, 1196, 1724, 1886, 2132, 3772, 5603, 9913, 11206, 12259, 17671, 19826, 22412, 24518, 35342, 39652, 49036, 70684, 128869, 229723, 257738, 406433, 459446, 515476, 812866, 918892, 1625732, 5283629, 10567258, 21134516]

約数ペア:

[(1, 21134516), (2, 10567258), (4, 5283629), (13, 1625732), (23, 918892), (26, 812866), (41, 515476), (46, 459446), (52, 406433), (82, 257738), (92, 229723), (164, 128869), (299, 70684), (431, 49036), (533, 39652), (598, 35342), (862, 24518), (943, 22412), (1066, 19826), (1196, 17671), (1724, 12259), (1886, 11206), (2132, 9913), (3772, 5603)]