21096688288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{20021}}^1$

素因数の和:20210

約数の個数: 96

約数和(自身を含む): 47680390800

約数和(自身を除く): 26583702512

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 149, 208, 221, 272, 298, 416, 442, 544, 596, 884, 1192, 1768, 1937, 2384, 2533, 3536, 3874, 4768, 5066, 7072, 7748, 10132, 15496, 20021, 20264, 30992, 32929, 40042, 40528, 61984, 65858, 80084, 81056, 131716, 160168, 260273, 263432, 320336, 340357, 520546, 526864, 640672, 680714, 1041092, 1053728, 1361428, 2082184, 2722856, 2983129, 4164368, 4424641, 5445712, 5966258, 8328736, 8849282, 10891424, 11932516, 17698564, 23865032, 35397128, 38780677, 47730064, 50713193, 70794256, 77561354, 95460128, 101426386, 141588512, 155122708, 202852772, 310245416, 405705544, 620490832, 659271509, 811411088, 1240981664, 1318543018, 1622822176, 2637086036, 5274172072, 10548344144, 21096688288]

約数ペア:

[(1, 21096688288), (2, 10548344144), (4, 5274172072), (8, 2637086036), (13, 1622822176), (16, 1318543018), (17, 1240981664), (26, 811411088), (32, 659271509), (34, 620490832), (52, 405705544), (68, 310245416), (104, 202852772), (136, 155122708), (149, 141588512), (208, 101426386), (221, 95460128), (272, 77561354), (298, 70794256), (416, 50713193), (442, 47730064), (544, 38780677), (596, 35397128), (884, 23865032), (1192, 17698564), (1768, 11932516), (1937, 10891424), (2384, 8849282), (2533, 8328736), (3536, 5966258), (3874, 5445712), (4768, 4424641), (5066, 4164368), (7072, 2983129), (7748, 2722856), (10132, 2082184), (15496, 1361428), (20021, 1053728), (20264, 1041092), (30992, 680714), (32929, 640672), (40042, 526864), (40528, 520546), (61984, 340357), (65858, 320336), (80084, 263432), (81056, 260273), (131716, 160168)]