21549864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128273}}^1$

素因数の和:128289

約数の個数: 32

約数和(自身を含む): 61571520

約数和(自身を除く): 40021656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128273, 256546, 384819, 513092, 769638, 897911, 1026184, 1539276, 1795822, 2693733, 3078552, 3591644, 5387466, 7183288, 10774932, 21549864]

約数ペア:

[(1, 21549864), (2, 10774932), (3, 7183288), (4, 5387466), (6, 3591644), (7, 3078552), (8, 2693733), (12, 1795822), (14, 1539276), (21, 1026184), (24, 897911), (28, 769638), (42, 513092), (56, 384819), (84, 256546), (168, 128273)]