21103650645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{961661}}^1$

素因数の和:961706

約数の個数: 64

約数和(自身を含む): 44313384960

約数和(自身を除く): 23209734315

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 55, 57, 77, 95, 105, 133, 165, 209, 231, 285, 385, 399, 627, 665, 1045, 1155, 1463, 1995, 3135, 4389, 7315, 21945, 961661, 2884983, 4808305, 6731627, 10578271, 14424915, 18271559, 20194881, 31734813, 33658135, 52891355, 54814677, 74047897, 91357795, 100974405, 127900913, 158674065, 200987149, 222143691, 274073385, 370239485, 383702739, 602961447, 639504565, 1004935745, 1110718455, 1406910043, 1918513695, 3014807235, 4220730129, 7034550215, 21103650645]

約数ペア:

[(1, 21103650645), (3, 7034550215), (5, 4220730129), (7, 3014807235), (11, 1918513695), (15, 1406910043), (19, 1110718455), (21, 1004935745), (33, 639504565), (35, 602961447), (55, 383702739), (57, 370239485), (77, 274073385), (95, 222143691), (105, 200987149), (133, 158674065), (165, 127900913), (209, 100974405), (231, 91357795), (285, 74047897), (385, 54814677), (399, 52891355), (627, 33658135), (665, 31734813), (1045, 20194881), (1155, 18271559), (1463, 14424915), (1995, 10578271), (3135, 6731627), (4389, 4808305), (7315, 2884983), (21945, 961661)]