21615661619

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{317}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 24913961856

約数和(自身を除く): 3298300237

約数列:

[1, 17, 19, 41, 271, 317, 323, 361, 697, 779, 4607, 5149, 5389, 6023, 6137, 11111, 12997, 13243, 14801, 85907, 87533, 97831, 102391, 114437, 188887, 211109, 220949, 246943, 251617, 1460419, 1632233, 1663127, 1945429, 3522187, 3588853, 4011071, 4198031, 4691917, 27747961, 31012427, 59877179, 66921553, 68188207, 79762589, 527211259, 1137666401, 1271509507, 21615661619]

約数ペア:

[(1, 21615661619), (17, 1271509507), (19, 1137666401), (41, 527211259), (271, 79762589), (317, 68188207), (323, 66921553), (361, 59877179), (697, 31012427), (779, 27747961), (4607, 4691917), (5149, 4198031), (5389, 4011071), (6023, 3588853), (6137, 3522187), (11111, 1945429), (12997, 1663127), (13243, 1632233), (14801, 1460419), (85907, 251617), (87533, 246943), (97831, 220949), (102391, 211109), (114437, 188887)]