21000496944

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{62501479}}^1$

素因数の和:62501497

約数の個数: 40

約数和(自身を含む): 62001468160

約数和(自身を除く): 41000971216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 62501479, 125002958, 187504437, 250005916, 375008874, 437510353, 500011832, 750017748, 875020706, 1000023664, 1312531059, 1500035496, 1750041412, 2625062118, 3000070992, 3500082824, 5250124236, 7000165648, 10500248472, 21000496944]

約数ペア:

[(1, 21000496944), (2, 10500248472), (3, 7000165648), (4, 5250124236), (6, 3500082824), (7, 3000070992), (8, 2625062118), (12, 1750041412), (14, 1500035496), (16, 1312531059), (21, 1000023664), (24, 875020706), (28, 750017748), (42, 500011832), (48, 437510353), (56, 375008874), (84, 250005916), (112, 187504437), (168, 125002958), (336, 62501479)]