2021154597

素因数分解:

$3^2\times 7^4\times {\mathrm{11}}^2\times {\mathrm{773}}^1$

素因数の和:829

約数の個数: 90

約数和(自身を含む): 3748427046

約数和(自身を除く): 1727272449

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 121, 147, 231, 343, 363, 441, 539, 693, 773, 847, 1029, 1089, 1617, 2319, 2401, 2541, 3087, 3773, 4851, 5411, 5929, 6957, 7203, 7623, 8503, 11319, 16233, 17787, 21609, 25509, 26411, 33957, 37877, 41503, 48699, 53361, 59521, 76527, 79233, 93533, 113631, 124509, 178563, 237699, 265139, 280599, 290521, 340893, 373527, 416647, 535689, 654731, 795417, 841797, 871563, 1249941, 1855973, 1964193, 2386251, 2614689, 2916529, 3749823, 4583117, 5567919, 5892579, 8749587, 13749351, 16703757, 20415703, 26248761, 32081819, 41248053, 61247109, 96245457, 183741327, 224572733, 288736371, 673718199, 2021154597]

約数ペア:

[(1, 2021154597), (3, 673718199), (7, 288736371), (9, 224572733), (11, 183741327), (21, 96245457), (33, 61247109), (49, 41248053), (63, 32081819), (77, 26248761), (99, 20415703), (121, 16703757), (147, 13749351), (231, 8749587), (343, 5892579), (363, 5567919), (441, 4583117), (539, 3749823), (693, 2916529), (773, 2614689), (847, 2386251), (1029, 1964193), (1089, 1855973), (1617, 1249941), (2319, 871563), (2401, 841797), (2541, 795417), (3087, 654731), (3773, 535689), (4851, 416647), (5411, 373527), (5929, 340893), (6957, 290521), (7203, 280599), (7623, 265139), (8503, 237699), (11319, 178563), (16233, 124509), (17787, 113631), (21609, 93533), (25509, 79233), (26411, 76527), (33957, 59521), (37877, 53361), (41503, 48699)]