21451122

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:114

約数の個数: 144

約数和(自身を含む): 61860960

約数和(自身を除く): 40409838

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 49, 54, 63, 66, 67, 77, 98, 99, 121, 126, 134, 147, 154, 189, 198, 201, 231, 242, 294, 297, 363, 378, 402, 441, 462, 469, 539, 594, 603, 693, 726, 737, 847, 882, 938, 1078, 1089, 1206, 1323, 1386, 1407, 1474, 1617, 1694, 1809, 2079, 2178, 2211, 2541, 2646, 2814, 3234, 3267, 3283, 3618, 4158, 4221, 4422, 4851, 5082, 5159, 5929, 6534, 6566, 6633, 7623, 8107, 8442, 9702, 9849, 10318, 11858, 12663, 13266, 14553, 15246, 15477, 16214, 17787, 19698, 19899, 22869, 24321, 25326, 29106, 29547, 30954, 35574, 36113, 39798, 45738, 46431, 48642, 53361, 56749, 59094, 72226, 72963, 88641, 92862, 106722, 108339, 113498, 139293, 145926, 160083, 170247, 177282, 216678, 218889, 278586, 320166, 325017, 340494, 397243, 437778, 510741, 650034, 794486, 975051, 1021482, 1191729, 1532223, 1950102, 2383458, 3064446, 3575187, 7150374, 10725561, 21451122]

約数ペア:

[(1, 21451122), (2, 10725561), (3, 7150374), (6, 3575187), (7, 3064446), (9, 2383458), (11, 1950102), (14, 1532223), (18, 1191729), (21, 1021482), (22, 975051), (27, 794486), (33, 650034), (42, 510741), (49, 437778), (54, 397243), (63, 340494), (66, 325017), (67, 320166), (77, 278586), (98, 218889), (99, 216678), (121, 177282), (126, 170247), (134, 160083), (147, 145926), (154, 139293), (189, 113498), (198, 108339), (201, 106722), (231, 92862), (242, 88641), (294, 72963), (297, 72226), (363, 59094), (378, 56749), (402, 53361), (441, 48642), (462, 46431), (469, 45738), (539, 39798), (594, 36113), (603, 35574), (693, 30954), (726, 29547), (737, 29106), (847, 25326), (882, 24321), (938, 22869), (1078, 19899), (1089, 19698), (1206, 17787), (1323, 16214), (1386, 15477), (1407, 15246), (1474, 14553), (1617, 13266), (1694, 12663), (1809, 11858), (2079, 10318), (2178, 9849), (2211, 9702), (2541, 8442), (2646, 8107), (2814, 7623), (3234, 6633), (3267, 6566), (3283, 6534), (3618, 5929), (4158, 5159), (4221, 5082), (4422, 4851)]