21482560

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1$

素因数の和:404

約数の個数: 112

約数和(自身を含む): 59253120

約数和(自身を除く): 37770560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 359, 374, 440, 544, 680, 704, 718, 748, 880, 935, 1088, 1360, 1436, 1496, 1760, 1795, 1870, 2720, 2872, 2992, 3520, 3590, 3740, 3949, 5440, 5744, 5984, 6103, 7180, 7480, 7898, 11488, 11968, 12206, 14360, 14960, 15796, 19745, 22976, 24412, 28720, 29920, 30515, 31592, 39490, 48824, 57440, 59840, 61030, 63184, 67133, 78980, 97648, 114880, 122060, 126368, 134266, 157960, 195296, 244120, 252736, 268532, 315920, 335665, 390592, 488240, 537064, 631840, 671330, 976480, 1074128, 1263680, 1342660, 1952960, 2148256, 2685320, 4296512, 5370640, 10741280, 21482560]

約数ペア:

[(1, 21482560), (2, 10741280), (4, 5370640), (5, 4296512), (8, 2685320), (10, 2148256), (11, 1952960), (16, 1342660), (17, 1263680), (20, 1074128), (22, 976480), (32, 671330), (34, 631840), (40, 537064), (44, 488240), (55, 390592), (64, 335665), (68, 315920), (80, 268532), (85, 252736), (88, 244120), (110, 195296), (136, 157960), (160, 134266), (170, 126368), (176, 122060), (187, 114880), (220, 97648), (272, 78980), (320, 67133), (340, 63184), (352, 61030), (359, 59840), (374, 57440), (440, 48824), (544, 39490), (680, 31592), (704, 30515), (718, 29920), (748, 28720), (880, 24412), (935, 22976), (1088, 19745), (1360, 15796), (1436, 14960), (1496, 14360), (1760, 12206), (1795, 11968), (1870, 11488), (2720, 7898), (2872, 7480), (2992, 7180), (3520, 6103), (3590, 5984), (3740, 5744), (3949, 5440)]