21435857464

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{138139}}^1$

素因数の和:138332

約数の個数: 64

約数和(自身を含む): 48934713600

約数和(自身を除く): 27498856136

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 163, 238, 326, 476, 652, 952, 1141, 1304, 2282, 2771, 4564, 5542, 9128, 11084, 19397, 22168, 38794, 77588, 138139, 155176, 276278, 552556, 966973, 1105112, 1933946, 2348363, 3867892, 4696726, 7735784, 9393452, 16438541, 18786904, 22516657, 32877082, 45033314, 65754164, 90066628, 131508328, 157616599, 180133256, 315233198, 382783169, 630466396, 765566338, 1260932792, 1531132676, 2679482183, 3062265352, 5358964366, 10717928732, 21435857464]

約数ペア:

[(1, 21435857464), (2, 10717928732), (4, 5358964366), (7, 3062265352), (8, 2679482183), (14, 1531132676), (17, 1260932792), (28, 765566338), (34, 630466396), (56, 382783169), (68, 315233198), (119, 180133256), (136, 157616599), (163, 131508328), (238, 90066628), (326, 65754164), (476, 45033314), (652, 32877082), (952, 22516657), (1141, 18786904), (1304, 16438541), (2282, 9393452), (2771, 7735784), (4564, 4696726), (5542, 3867892), (9128, 2348363), (11084, 1933946), (19397, 1105112), (22168, 966973), (38794, 552556), (77588, 276278), (138139, 155176)]