21733760

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1171}}^1$

素因数の和:1219

約数の個数: 64

約数和(自身を含む): 53794800

約数和(自身を除く): 32061040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1171, 1856, 2320, 2342, 3712, 4640, 4684, 5855, 9280, 9368, 11710, 18560, 18736, 23420, 33959, 37472, 46840, 67918, 74944, 93680, 135836, 149888, 169795, 187360, 271672, 339590, 374720, 543344, 679180, 749440, 1086688, 1358360, 2173376, 2716720, 4346752, 5433440, 10866880, 21733760]

約数ペア:

[(1, 21733760), (2, 10866880), (4, 5433440), (5, 4346752), (8, 2716720), (10, 2173376), (16, 1358360), (20, 1086688), (29, 749440), (32, 679180), (40, 543344), (58, 374720), (64, 339590), (80, 271672), (116, 187360), (128, 169795), (145, 149888), (160, 135836), (232, 93680), (290, 74944), (320, 67918), (464, 46840), (580, 37472), (640, 33959), (928, 23420), (1160, 18736), (1171, 18560), (1856, 11710), (2320, 9368), (2342, 9280), (3712, 5855), (4640, 4684)]