21570297910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{593}}^1\times {\mathrm{3793}}^1$

素因数の和:4537

約数の個数: 64

約数和(自身を含む): 44784254592

約数和(自身を除く): 23213956682

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 593, 685, 959, 1186, 1370, 1918, 2965, 3793, 4151, 4795, 5930, 7586, 8302, 9590, 18965, 20755, 26551, 37930, 41510, 53102, 81241, 132755, 162482, 265510, 406205, 519641, 568687, 812410, 1039282, 1137374, 2249249, 2598205, 2843435, 3637487, 4498498, 5196410, 5686870, 7274974, 11246245, 15744743, 18187435, 22492490, 31489486, 36374870, 78723715, 157447430, 308147113, 616294226, 1540735565, 2157029791, 3081471130, 4314059582, 10785148955, 21570297910]

約数ペア:

[(1, 21570297910), (2, 10785148955), (5, 4314059582), (7, 3081471130), (10, 2157029791), (14, 1540735565), (35, 616294226), (70, 308147113), (137, 157447430), (274, 78723715), (593, 36374870), (685, 31489486), (959, 22492490), (1186, 18187435), (1370, 15744743), (1918, 11246245), (2965, 7274974), (3793, 5686870), (4151, 5196410), (4795, 4498498), (5930, 3637487), (7586, 2843435), (8302, 2598205), (9590, 2249249), (18965, 1137374), (20755, 1039282), (26551, 812410), (37930, 568687), (41510, 519641), (53102, 406205), (81241, 265510), (132755, 162482)]