21318822

素因数分解:

$2^1\times 3^3\times 7^3\times {\mathrm{1151}}^1$

素因数の和:1183

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 33977178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 343, 378, 441, 686, 882, 1029, 1151, 1323, 2058, 2302, 2646, 3087, 3453, 6174, 6906, 8057, 9261, 10359, 16114, 18522, 20718, 24171, 31077, 48342, 56399, 62154, 72513, 112798, 145026, 169197, 217539, 338394, 394793, 435078, 507591, 789586, 1015182, 1184379, 1522773, 2368758, 3045546, 3553137, 7106274, 10659411, 21318822]

約数ペア:

[(1, 21318822), (2, 10659411), (3, 7106274), (6, 3553137), (7, 3045546), (9, 2368758), (14, 1522773), (18, 1184379), (21, 1015182), (27, 789586), (42, 507591), (49, 435078), (54, 394793), (63, 338394), (98, 217539), (126, 169197), (147, 145026), (189, 112798), (294, 72513), (343, 62154), (378, 56399), (441, 48342), (686, 31077), (882, 24171), (1029, 20718), (1151, 18522), (1323, 16114), (2058, 10359), (2302, 9261), (2646, 8057), (3087, 6906), (3453, 6174)]