21495584

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 46811520

約数和(自身を除く): 25315936

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 158, 176, 316, 352, 632, 773, 869, 1264, 1546, 1738, 2528, 3092, 3476, 6184, 6952, 8503, 12368, 13904, 17006, 24736, 27808, 34012, 61067, 68024, 122134, 136048, 244268, 272096, 488536, 671737, 977072, 1343474, 1954144, 2686948, 5373896, 10747792, 21495584]

約数ペア:

[(1, 21495584), (2, 10747792), (4, 5373896), (8, 2686948), (11, 1954144), (16, 1343474), (22, 977072), (32, 671737), (44, 488536), (79, 272096), (88, 244268), (158, 136048), (176, 122134), (316, 68024), (352, 61067), (632, 34012), (773, 27808), (869, 24736), (1264, 17006), (1546, 13904), (1738, 12368), (2528, 8503), (3092, 6952), (3476, 6184)]