21045276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3631}}^1$

素因数の和:3671

約数の個数: 72

約数和(自身を含む): 63458304

約数和(自身を除く): 42413028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 3631, 5796, 7262, 10893, 14524, 21786, 25417, 32679, 43572, 50834, 65358, 76251, 83513, 101668, 130716, 152502, 167026, 228753, 250539, 305004, 334052, 457506, 501078, 584591, 751617, 915012, 1002156, 1169182, 1503234, 1753773, 2338364, 3006468, 3507546, 5261319, 7015092, 10522638, 21045276]

約数ペア:

[(1, 21045276), (2, 10522638), (3, 7015092), (4, 5261319), (6, 3507546), (7, 3006468), (9, 2338364), (12, 1753773), (14, 1503234), (18, 1169182), (21, 1002156), (23, 915012), (28, 751617), (36, 584591), (42, 501078), (46, 457506), (63, 334052), (69, 305004), (84, 250539), (92, 228753), (126, 167026), (138, 152502), (161, 130716), (207, 101668), (252, 83513), (276, 76251), (322, 65358), (414, 50834), (483, 43572), (644, 32679), (828, 25417), (966, 21786), (1449, 14524), (1932, 10893), (2898, 7262), (3631, 5796)]