21070292388

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1\times {\mathrm{2621}}^1$

素因数の和:3053

約数の個数: 96

約数和(自身を含む): 52616366208

約数和(自身を除く): 31546073820

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 157, 204, 251, 314, 471, 502, 628, 753, 942, 1004, 1506, 1884, 2621, 2669, 3012, 4267, 5242, 5338, 7863, 8007, 8534, 10484, 10676, 12801, 15726, 16014, 17068, 25602, 31452, 32028, 39407, 44557, 51204, 78814, 89114, 118221, 133671, 157628, 178228, 236442, 267342, 411497, 472884, 534684, 657871, 669919, 822994, 1234491, 1315742, 1339838, 1645988, 1973613, 2009757, 2468982, 2631484, 2679676, 3947226, 4019514, 4937964, 6995449, 7894452, 8039028, 11183807, 13990898, 20986347, 22367614, 27981796, 33551421, 41972694, 44735228, 67102842, 83945388, 103285747, 134205684, 206571494, 309857241, 413142988, 619714482, 1239428964, 1755857699, 3511715398, 5267573097, 7023430796, 10535146194, 21070292388]

約数ペア:

[(1, 21070292388), (2, 10535146194), (3, 7023430796), (4, 5267573097), (6, 3511715398), (12, 1755857699), (17, 1239428964), (34, 619714482), (51, 413142988), (68, 309857241), (102, 206571494), (157, 134205684), (204, 103285747), (251, 83945388), (314, 67102842), (471, 44735228), (502, 41972694), (628, 33551421), (753, 27981796), (942, 22367614), (1004, 20986347), (1506, 13990898), (1884, 11183807), (2621, 8039028), (2669, 7894452), (3012, 6995449), (4267, 4937964), (5242, 4019514), (5338, 3947226), (7863, 2679676), (8007, 2631484), (8534, 2468982), (10484, 2009757), (10676, 1973613), (12801, 1645988), (15726, 1339838), (16014, 1315742), (17068, 1234491), (25602, 822994), (31452, 669919), (32028, 657871), (39407, 534684), (44557, 472884), (51204, 411497), (78814, 267342), (89114, 236442), (118221, 178228), (133671, 157628)]