21463904

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 54577152

約数和(自身を除く): 33113248

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 224, 248, 281, 308, 341, 352, 434, 496, 562, 616, 682, 868, 992, 1124, 1232, 1364, 1736, 1967, 2248, 2387, 2464, 2728, 3091, 3472, 3934, 4496, 4774, 5456, 6182, 6944, 7868, 8711, 8992, 9548, 10912, 12364, 15736, 17422, 19096, 21637, 24728, 31472, 34844, 38192, 43274, 49456, 60977, 62944, 69688, 76384, 86548, 95821, 98912, 121954, 139376, 173096, 191642, 243908, 278752, 346192, 383284, 487816, 670747, 692384, 766568, 975632, 1341494, 1533136, 1951264, 2682988, 3066272, 5365976, 10731952, 21463904]

約数ペア:

[(1, 21463904), (2, 10731952), (4, 5365976), (7, 3066272), (8, 2682988), (11, 1951264), (14, 1533136), (16, 1341494), (22, 975632), (28, 766568), (31, 692384), (32, 670747), (44, 487816), (56, 383284), (62, 346192), (77, 278752), (88, 243908), (112, 191642), (124, 173096), (154, 139376), (176, 121954), (217, 98912), (224, 95821), (248, 86548), (281, 76384), (308, 69688), (341, 62944), (352, 60977), (434, 49456), (496, 43274), (562, 38192), (616, 34844), (682, 31472), (868, 24728), (992, 21637), (1124, 19096), (1232, 17422), (1364, 15736), (1736, 12364), (1967, 10912), (2248, 9548), (2387, 8992), (2464, 8711), (2728, 7868), (3091, 6944), (3472, 6182), (3934, 5456), (4496, 4774)]