21025199484

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{7253}}^1$

素因数の和:7681

約数の個数: 120

約数和(自身を含む): 57509131680

約数和(自身を除く): 36483932196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 276, 324, 389, 414, 621, 778, 828, 1167, 1242, 1556, 1863, 2334, 2484, 3501, 3726, 4668, 7002, 7253, 7452, 8947, 10503, 14004, 14506, 17894, 21006, 21759, 26841, 29012, 31509, 35788, 42012, 43518, 53682, 63018, 65277, 80523, 87036, 107364, 126036, 130554, 161046, 166819, 195831, 241569, 261108, 322092, 333638, 391662, 483138, 500457, 587493, 667276, 724707, 783324, 966276, 1000914, 1174986, 1449414, 1501371, 2001828, 2349972, 2821417, 2898828, 3002742, 4504113, 5642834, 6005484, 8464251, 9008226, 11285668, 13512339, 16928502, 18016452, 25392753, 27024678, 33857004, 50785506, 54049356, 64892591, 76178259, 101571012, 129785182, 152356518, 194677773, 228534777, 259570364, 304713036, 389355546, 457069554, 584033319, 778711092, 914139108, 1168066638, 1752099957, 2336133276, 3504199914, 5256299871, 7008399828, 10512599742, 21025199484]

約数ペア:

[(1, 21025199484), (2, 10512599742), (3, 7008399828), (4, 5256299871), (6, 3504199914), (9, 2336133276), (12, 1752099957), (18, 1168066638), (23, 914139108), (27, 778711092), (36, 584033319), (46, 457069554), (54, 389355546), (69, 304713036), (81, 259570364), (92, 228534777), (108, 194677773), (138, 152356518), (162, 129785182), (207, 101571012), (276, 76178259), (324, 64892591), (389, 54049356), (414, 50785506), (621, 33857004), (778, 27024678), (828, 25392753), (1167, 18016452), (1242, 16928502), (1556, 13512339), (1863, 11285668), (2334, 9008226), (2484, 8464251), (3501, 6005484), (3726, 5642834), (4668, 4504113), (7002, 3002742), (7253, 2898828), (7452, 2821417), (8947, 2349972), (10503, 2001828), (14004, 1501371), (14506, 1449414), (17894, 1174986), (21006, 1000914), (21759, 966276), (26841, 783324), (29012, 724707), (31509, 667276), (35788, 587493), (42012, 500457), (43518, 483138), (53682, 391662), (63018, 333638), (65277, 322092), (80523, 261108), (87036, 241569), (107364, 195831), (126036, 166819), (130554, 161046)]