21925470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{797}}^1$

素因数の和:945

約数の個数: 64

約数和(自身を含む): 60673536

約数和(自身を除く): 38748066

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 131, 210, 262, 393, 655, 786, 797, 917, 1310, 1594, 1834, 1965, 2391, 2751, 3930, 3985, 4585, 4782, 5502, 5579, 7970, 9170, 11158, 11955, 13755, 16737, 23910, 27510, 27895, 33474, 55790, 83685, 104407, 167370, 208814, 313221, 522035, 626442, 730849, 1044070, 1461698, 1566105, 2192547, 3132210, 3654245, 4385094, 7308490, 10962735, 21925470]

約数ペア:

[(1, 21925470), (2, 10962735), (3, 7308490), (5, 4385094), (6, 3654245), (7, 3132210), (10, 2192547), (14, 1566105), (15, 1461698), (21, 1044070), (30, 730849), (35, 626442), (42, 522035), (70, 313221), (105, 208814), (131, 167370), (210, 104407), (262, 83685), (393, 55790), (655, 33474), (786, 27895), (797, 27510), (917, 23910), (1310, 16737), (1594, 13755), (1834, 11955), (1965, 11158), (2391, 9170), (2751, 7970), (3930, 5579), (3985, 5502), (4585, 4782)]