21653424

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 67026960

約数和(自身を除く): 45373536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 43, 48, 52, 72, 78, 86, 104, 117, 129, 144, 156, 172, 208, 234, 258, 269, 312, 344, 387, 468, 516, 538, 559, 624, 688, 774, 807, 936, 1032, 1076, 1118, 1548, 1614, 1677, 1872, 2064, 2152, 2236, 2421, 3096, 3228, 3354, 3497, 4304, 4472, 4842, 5031, 6192, 6456, 6708, 6994, 8944, 9684, 10062, 10491, 11567, 12912, 13416, 13988, 19368, 20124, 20982, 23134, 26832, 27976, 31473, 34701, 38736, 40248, 41964, 46268, 55952, 62946, 69402, 80496, 83928, 92536, 104103, 125892, 138804, 150371, 167856, 185072, 208206, 251784, 277608, 300742, 416412, 451113, 503568, 555216, 601484, 832824, 902226, 1202968, 1353339, 1665648, 1804452, 2405936, 2706678, 3608904, 5413356, 7217808, 10826712, 21653424]

約数ペア:

[(1, 21653424), (2, 10826712), (3, 7217808), (4, 5413356), (6, 3608904), (8, 2706678), (9, 2405936), (12, 1804452), (13, 1665648), (16, 1353339), (18, 1202968), (24, 902226), (26, 832824), (36, 601484), (39, 555216), (43, 503568), (48, 451113), (52, 416412), (72, 300742), (78, 277608), (86, 251784), (104, 208206), (117, 185072), (129, 167856), (144, 150371), (156, 138804), (172, 125892), (208, 104103), (234, 92536), (258, 83928), (269, 80496), (312, 69402), (344, 62946), (387, 55952), (468, 46268), (516, 41964), (538, 40248), (559, 38736), (624, 34701), (688, 31473), (774, 27976), (807, 26832), (936, 23134), (1032, 20982), (1076, 20124), (1118, 19368), (1548, 13988), (1614, 13416), (1677, 12912), (1872, 11567), (2064, 10491), (2152, 10062), (2236, 9684), (2421, 8944), (3096, 6994), (3228, 6708), (3354, 6456), (3497, 6192), (4304, 5031), (4472, 4842)]