21622810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 46531584

約数和(自身を除く): 24908774

約数列:

[1, 2, 5, 10, 11, 17, 22, 31, 34, 55, 62, 85, 110, 155, 170, 187, 310, 341, 373, 374, 527, 682, 746, 935, 1054, 1705, 1865, 1870, 2635, 3410, 3730, 4103, 5270, 5797, 6341, 8206, 11563, 11594, 12682, 20515, 23126, 28985, 31705, 41030, 57815, 57970, 63410, 69751, 115630, 127193, 139502, 196571, 254386, 348755, 393142, 635965, 697510, 982855, 1271930, 1965710, 2162281, 4324562, 10811405, 21622810]

約数ペア:

[(1, 21622810), (2, 10811405), (5, 4324562), (10, 2162281), (11, 1965710), (17, 1271930), (22, 982855), (31, 697510), (34, 635965), (55, 393142), (62, 348755), (85, 254386), (110, 196571), (155, 139502), (170, 127193), (187, 115630), (310, 69751), (341, 63410), (373, 57970), (374, 57815), (527, 41030), (682, 31705), (746, 28985), (935, 23126), (1054, 20515), (1705, 12682), (1865, 11594), (1870, 11563), (2635, 8206), (3410, 6341), (3730, 5797), (4103, 5270)]