21174932896

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{176129}}^1$

素因数の和:176186

約数の個数: 72

約数和(自身を含む): 47691424620

約数和(自身を除く): 26516491724

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 289, 416, 442, 544, 578, 884, 1156, 1768, 2312, 3536, 3757, 4624, 7072, 7514, 9248, 15028, 30056, 60112, 120224, 176129, 352258, 704516, 1409032, 2289677, 2818064, 2994193, 4579354, 5636128, 5988386, 9158708, 11976772, 18317416, 23953544, 36634832, 38924509, 47907088, 50901281, 73269664, 77849018, 95814176, 101802562, 155698036, 203605124, 311396072, 407210248, 622792144, 661716653, 814420496, 1245584288, 1323433306, 1628840992, 2646866612, 5293733224, 10587466448, 21174932896]

約数ペア:

[(1, 21174932896), (2, 10587466448), (4, 5293733224), (8, 2646866612), (13, 1628840992), (16, 1323433306), (17, 1245584288), (26, 814420496), (32, 661716653), (34, 622792144), (52, 407210248), (68, 311396072), (104, 203605124), (136, 155698036), (208, 101802562), (221, 95814176), (272, 77849018), (289, 73269664), (416, 50901281), (442, 47907088), (544, 38924509), (578, 36634832), (884, 23953544), (1156, 18317416), (1768, 11976772), (2312, 9158708), (3536, 5988386), (3757, 5636128), (4624, 4579354), (7072, 2994193), (7514, 2818064), (9248, 2289677), (15028, 1409032), (30056, 704516), (60112, 352258), (120224, 176129)]