21063840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6269}}^1$

素因数の和:6294

約数の個数: 96

約数和(自身を含む): 75841920

約数和(自身を除く): 54778080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6269, 12538, 18807, 25076, 31345, 37614, 43883, 50152, 62690, 75228, 87766, 94035, 100304, 125380, 131649, 150456, 175532, 188070, 200608, 219415, 250760, 263298, 300912, 351064, 376140, 438830, 501520, 526596, 601824, 658245, 702128, 752280, 877660, 1003040, 1053192, 1316490, 1404256, 1504560, 1755320, 2106384, 2632980, 3009120, 3510640, 4212768, 5265960, 7021280, 10531920, 21063840]

約数ペア:

[(1, 21063840), (2, 10531920), (3, 7021280), (4, 5265960), (5, 4212768), (6, 3510640), (7, 3009120), (8, 2632980), (10, 2106384), (12, 1755320), (14, 1504560), (15, 1404256), (16, 1316490), (20, 1053192), (21, 1003040), (24, 877660), (28, 752280), (30, 702128), (32, 658245), (35, 601824), (40, 526596), (42, 501520), (48, 438830), (56, 376140), (60, 351064), (70, 300912), (80, 263298), (84, 250760), (96, 219415), (105, 200608), (112, 188070), (120, 175532), (140, 150456), (160, 131649), (168, 125380), (210, 100304), (224, 94035), (240, 87766), (280, 75228), (336, 62690), (420, 50152), (480, 43883), (560, 37614), (672, 31345), (840, 25076), (1120, 18807), (1680, 12538), (3360, 6269)]