21831216

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 62138880

約数和(自身を除く): 40307664

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 173, 176, 239, 264, 346, 478, 519, 528, 692, 717, 956, 1038, 1384, 1434, 1903, 1912, 2076, 2629, 2768, 2868, 3806, 3824, 4152, 5258, 5709, 5736, 7612, 7887, 8304, 10516, 11418, 11472, 15224, 15774, 21032, 22836, 30448, 31548, 41347, 42064, 45672, 63096, 82694, 91344, 124041, 126192, 165388, 248082, 330776, 454817, 496164, 661552, 909634, 992328, 1364451, 1819268, 1984656, 2728902, 3638536, 5457804, 7277072, 10915608, 21831216]

約数ペア:

[(1, 21831216), (2, 10915608), (3, 7277072), (4, 5457804), (6, 3638536), (8, 2728902), (11, 1984656), (12, 1819268), (16, 1364451), (22, 992328), (24, 909634), (33, 661552), (44, 496164), (48, 454817), (66, 330776), (88, 248082), (132, 165388), (173, 126192), (176, 124041), (239, 91344), (264, 82694), (346, 63096), (478, 45672), (519, 42064), (528, 41347), (692, 31548), (717, 30448), (956, 22836), (1038, 21032), (1384, 15774), (1434, 15224), (1903, 11472), (1912, 11418), (2076, 10516), (2629, 8304), (2768, 7887), (2868, 7612), (3806, 5736), (3824, 5709), (4152, 5258)]