21343728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 63607040

約数和(自身を除く): 42263312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 139, 168, 278, 336, 417, 457, 556, 834, 914, 973, 1112, 1371, 1668, 1828, 1946, 2224, 2742, 2919, 3199, 3336, 3656, 3892, 5484, 5838, 6398, 6672, 7312, 7784, 9597, 10968, 11676, 12796, 15568, 19194, 21936, 23352, 25592, 38388, 46704, 51184, 63523, 76776, 127046, 153552, 190569, 254092, 381138, 444661, 508184, 762276, 889322, 1016368, 1333983, 1524552, 1778644, 2667966, 3049104, 3557288, 5335932, 7114576, 10671864, 21343728]

約数ペア:

[(1, 21343728), (2, 10671864), (3, 7114576), (4, 5335932), (6, 3557288), (7, 3049104), (8, 2667966), (12, 1778644), (14, 1524552), (16, 1333983), (21, 1016368), (24, 889322), (28, 762276), (42, 508184), (48, 444661), (56, 381138), (84, 254092), (112, 190569), (139, 153552), (168, 127046), (278, 76776), (336, 63523), (417, 51184), (457, 46704), (556, 38388), (834, 25592), (914, 23352), (973, 21936), (1112, 19194), (1371, 15568), (1668, 12796), (1828, 11676), (1946, 10968), (2224, 9597), (2742, 7784), (2919, 7312), (3199, 6672), (3336, 6398), (3656, 5838), (3892, 5484)]