21406968

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 64022400

約数和(自身を除く): 42615432

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 151, 179, 198, 264, 302, 358, 396, 453, 537, 604, 716, 792, 906, 1074, 1208, 1359, 1432, 1611, 1661, 1812, 1969, 2148, 2718, 3222, 3322, 3624, 3938, 4296, 4983, 5436, 5907, 6444, 6644, 7876, 9966, 10872, 11814, 12888, 13288, 14949, 15752, 17721, 19932, 23628, 27029, 29898, 35442, 39864, 47256, 54058, 59796, 70884, 81087, 108116, 119592, 141768, 162174, 216232, 243261, 297319, 324348, 486522, 594638, 648696, 891957, 973044, 1189276, 1783914, 1946088, 2378552, 2675871, 3567828, 5351742, 7135656, 10703484, 21406968]

約数ペア:

[(1, 21406968), (2, 10703484), (3, 7135656), (4, 5351742), (6, 3567828), (8, 2675871), (9, 2378552), (11, 1946088), (12, 1783914), (18, 1189276), (22, 973044), (24, 891957), (33, 648696), (36, 594638), (44, 486522), (66, 324348), (72, 297319), (88, 243261), (99, 216232), (132, 162174), (151, 141768), (179, 119592), (198, 108116), (264, 81087), (302, 70884), (358, 59796), (396, 54058), (453, 47256), (537, 39864), (604, 35442), (716, 29898), (792, 27029), (906, 23628), (1074, 19932), (1208, 17721), (1359, 15752), (1432, 14949), (1611, 13288), (1661, 12888), (1812, 11814), (1969, 10872), (2148, 9966), (2718, 7876), (3222, 6644), (3322, 6444), (3624, 5907), (3938, 5436), (4296, 4983)]