21039225376

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{2437}}^1\times {\mathrm{20753}}^1$

素因数の和:23213

約数の個数: 48

約数和(自身を含む): 44627658264

約数和(自身を除く): 23588432888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 2437, 4874, 9748, 19496, 20753, 31681, 38992, 41506, 63362, 77984, 83012, 126724, 166024, 253448, 269789, 332048, 506896, 539578, 664096, 1013792, 1079156, 2158312, 4316624, 8633248, 50575061, 101150122, 202300244, 404600488, 657475793, 809200976, 1314951586, 1618401952, 2629903172, 5259806344, 10519612688, 21039225376]

約数ペア:

[(1, 21039225376), (2, 10519612688), (4, 5259806344), (8, 2629903172), (13, 1618401952), (16, 1314951586), (26, 809200976), (32, 657475793), (52, 404600488), (104, 202300244), (208, 101150122), (416, 50575061), (2437, 8633248), (4874, 4316624), (9748, 2158312), (19496, 1079156), (20753, 1013792), (31681, 664096), (38992, 539578), (41506, 506896), (63362, 332048), (77984, 269789), (83012, 253448), (126724, 166024)]