21731184

素因数分解:

$2^4\times 3^2\times {\mathrm{229}}^1\times {\mathrm{659}}^1$

素因数の和:902

約数の個数: 60

約数和(自身を含む): 61175400

約数和(自身を除く): 39444216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 229, 458, 659, 687, 916, 1318, 1374, 1832, 1977, 2061, 2636, 2748, 3664, 3954, 4122, 5272, 5496, 5931, 7908, 8244, 10544, 10992, 11862, 15816, 16488, 23724, 31632, 32976, 47448, 94896, 150911, 301822, 452733, 603644, 905466, 1207288, 1358199, 1810932, 2414576, 2716398, 3621864, 5432796, 7243728, 10865592, 21731184]

約数ペア:

[(1, 21731184), (2, 10865592), (3, 7243728), (4, 5432796), (6, 3621864), (8, 2716398), (9, 2414576), (12, 1810932), (16, 1358199), (18, 1207288), (24, 905466), (36, 603644), (48, 452733), (72, 301822), (144, 150911), (229, 94896), (458, 47448), (659, 32976), (687, 31632), (916, 23724), (1318, 16488), (1374, 15816), (1832, 11862), (1977, 10992), (2061, 10544), (2636, 8244), (2748, 7908), (3664, 5931), (3954, 5496), (4122, 5272)]