21904176

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 67287360

約数和(自身を除く): 45383184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 67, 84, 98, 112, 134, 139, 147, 168, 196, 201, 268, 278, 294, 336, 392, 402, 417, 469, 536, 556, 588, 784, 804, 834, 938, 973, 1072, 1112, 1176, 1407, 1608, 1668, 1876, 1946, 2224, 2352, 2814, 2919, 3216, 3283, 3336, 3752, 3892, 5628, 5838, 6566, 6672, 6811, 7504, 7784, 9313, 9849, 11256, 11676, 13132, 13622, 15568, 18626, 19698, 20433, 22512, 23352, 26264, 27244, 27939, 37252, 39396, 40866, 46704, 52528, 54488, 55878, 65191, 74504, 78792, 81732, 108976, 111756, 130382, 149008, 157584, 163464, 195573, 223512, 260764, 326928, 391146, 447024, 456337, 521528, 782292, 912674, 1043056, 1369011, 1564584, 1825348, 2738022, 3129168, 3650696, 5476044, 7301392, 10952088, 21904176]

約数ペア:

[(1, 21904176), (2, 10952088), (3, 7301392), (4, 5476044), (6, 3650696), (7, 3129168), (8, 2738022), (12, 1825348), (14, 1564584), (16, 1369011), (21, 1043056), (24, 912674), (28, 782292), (42, 521528), (48, 456337), (49, 447024), (56, 391146), (67, 326928), (84, 260764), (98, 223512), (112, 195573), (134, 163464), (139, 157584), (147, 149008), (168, 130382), (196, 111756), (201, 108976), (268, 81732), (278, 78792), (294, 74504), (336, 65191), (392, 55878), (402, 54488), (417, 52528), (469, 46704), (536, 40866), (556, 39396), (588, 37252), (784, 27939), (804, 27244), (834, 26264), (938, 23352), (973, 22512), (1072, 20433), (1112, 19698), (1176, 18626), (1407, 15568), (1608, 13622), (1668, 13132), (1876, 11676), (1946, 11256), (2224, 9849), (2352, 9313), (2814, 7784), (2919, 7504), (3216, 6811), (3283, 6672), (3336, 6566), (3752, 5838), (3892, 5628)]