21370291256

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{4373}}^1$

素因数の和:4784

約数の個数: 64

約数和(自身を含む): 42061783680

約数和(自身を除く): 20691492424

約数列:

[1, 2, 4, 8, 41, 47, 82, 94, 164, 188, 317, 328, 376, 634, 1268, 1927, 2536, 3854, 4373, 7708, 8746, 12997, 14899, 15416, 17492, 25994, 29798, 34984, 51988, 59596, 103976, 119192, 179293, 205531, 358586, 411062, 610859, 717172, 822124, 1221718, 1386241, 1434344, 1644248, 2443436, 2772482, 4886872, 5544964, 8426771, 11089928, 16853542, 33707084, 56835881, 65153327, 67414168, 113671762, 130306654, 227343524, 260613308, 454687048, 521226616, 2671286407, 5342572814, 10685145628, 21370291256]

約数ペア:

[(1, 21370291256), (2, 10685145628), (4, 5342572814), (8, 2671286407), (41, 521226616), (47, 454687048), (82, 260613308), (94, 227343524), (164, 130306654), (188, 113671762), (317, 67414168), (328, 65153327), (376, 56835881), (634, 33707084), (1268, 16853542), (1927, 11089928), (2536, 8426771), (3854, 5544964), (4373, 4886872), (7708, 2772482), (8746, 2443436), (12997, 1644248), (14899, 1434344), (15416, 1386241), (17492, 1221718), (25994, 822124), (29798, 717172), (34984, 610859), (51988, 411062), (59596, 358586), (103976, 205531), (119192, 179293)]