21152352

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1040

約数の個数: 96

約数和(自身を含む): 63376992

約数和(自身を除く): 42224640

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 416, 442, 544, 624, 663, 816, 884, 997, 1248, 1326, 1632, 1768, 1994, 2652, 2991, 3536, 3988, 5304, 5982, 7072, 7976, 10608, 11964, 12961, 15952, 16949, 21216, 23928, 25922, 31904, 33898, 38883, 47856, 50847, 51844, 67796, 77766, 95712, 101694, 103688, 135592, 155532, 203388, 207376, 220337, 271184, 311064, 406776, 414752, 440674, 542368, 622128, 661011, 813552, 881348, 1244256, 1322022, 1627104, 1762696, 2644044, 3525392, 5288088, 7050784, 10576176, 21152352]

約数ペア:

[(1, 21152352), (2, 10576176), (3, 7050784), (4, 5288088), (6, 3525392), (8, 2644044), (12, 1762696), (13, 1627104), (16, 1322022), (17, 1244256), (24, 881348), (26, 813552), (32, 661011), (34, 622128), (39, 542368), (48, 440674), (51, 414752), (52, 406776), (68, 311064), (78, 271184), (96, 220337), (102, 207376), (104, 203388), (136, 155532), (156, 135592), (204, 103688), (208, 101694), (221, 95712), (272, 77766), (312, 67796), (408, 51844), (416, 50847), (442, 47856), (544, 38883), (624, 33898), (663, 31904), (816, 25922), (884, 23928), (997, 21216), (1248, 16949), (1326, 15952), (1632, 12961), (1768, 11964), (1994, 10608), (2652, 7976), (2991, 7072), (3536, 5982), (3988, 5304)]