21301473585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1\times {\mathrm{6359}}^1$

素因数の和:6958

約数の個数: 64

約数和(自身を含む): 39671746560

約数和(自身を除く): 18370272975

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 523, 915, 1281, 1569, 2135, 2615, 3661, 6359, 6405, 7845, 10983, 18305, 19077, 31795, 31903, 44513, 54915, 95385, 95709, 133539, 159515, 222565, 223321, 387899, 478545, 667695, 669963, 1116605, 1163697, 1939495, 2715293, 3325757, 3349815, 5818485, 8145879, 9977271, 13576465, 16628785, 23280299, 40729395, 49886355, 69840897, 116401495, 202871177, 349204485, 608613531, 1014355885, 1420098239, 3043067655, 4260294717, 7100491195, 21301473585]

約数ペア:

[(1, 21301473585), (3, 7100491195), (5, 4260294717), (7, 3043067655), (15, 1420098239), (21, 1014355885), (35, 608613531), (61, 349204485), (105, 202871177), (183, 116401495), (305, 69840897), (427, 49886355), (523, 40729395), (915, 23280299), (1281, 16628785), (1569, 13576465), (2135, 9977271), (2615, 8145879), (3661, 5818485), (6359, 3349815), (6405, 3325757), (7845, 2715293), (10983, 1939495), (18305, 1163697), (19077, 1116605), (31795, 669963), (31903, 667695), (44513, 478545), (54915, 387899), (95385, 223321), (95709, 222565), (133539, 159515)]