21313292

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5323}}^1$

素因数の和:5358

約数の個数: 48

約数和(自身を含む): 50088192

約数和(自身を除く): 28774900

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5323, 10646, 21292, 37261, 58553, 69199, 74522, 117106, 138398, 149044, 234212, 276796, 409871, 484393, 761189, 819742, 968786, 1522378, 1639484, 1937572, 3044756, 5328323, 10656646, 21313292]

約数ペア:

[(1, 21313292), (2, 10656646), (4, 5328323), (7, 3044756), (11, 1937572), (13, 1639484), (14, 1522378), (22, 968786), (26, 819742), (28, 761189), (44, 484393), (52, 409871), (77, 276796), (91, 234212), (143, 149044), (154, 138398), (182, 117106), (286, 74522), (308, 69199), (364, 58553), (572, 37261), (1001, 21292), (2002, 10646), (4004, 5323)]