21001769040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12501053}}^1$

素因数の和:12501076

約数の個数: 80

約数和(自身を含む): 74406273408

約数和(自身を除く): 53404504368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12501053, 25002106, 37503159, 50004212, 62505265, 75006318, 87507371, 100008424, 125010530, 150012636, 175014742, 187515795, 200016848, 250021060, 262522113, 300025272, 350029484, 375031590, 437536855, 500042120, 525044226, 600050544, 700058968, 750063180, 875073710, 1000084240, 1050088452, 1312610565, 1400117936, 1500126360, 1750147420, 2100176904, 2625221130, 3000252720, 3500294840, 4200353808, 5250442260, 7000589680, 10500884520, 21001769040]

約数ペア:

[(1, 21001769040), (2, 10500884520), (3, 7000589680), (4, 5250442260), (5, 4200353808), (6, 3500294840), (7, 3000252720), (8, 2625221130), (10, 2100176904), (12, 1750147420), (14, 1500126360), (15, 1400117936), (16, 1312610565), (20, 1050088452), (21, 1000084240), (24, 875073710), (28, 750063180), (30, 700058968), (35, 600050544), (40, 525044226), (42, 500042120), (48, 437536855), (56, 375031590), (60, 350029484), (70, 300025272), (80, 262522113), (84, 250021060), (105, 200016848), (112, 187515795), (120, 175014742), (140, 150012636), (168, 125010530), (210, 100008424), (240, 87507371), (280, 75006318), (336, 62505265), (420, 50004212), (560, 37503159), (840, 25002106), (1680, 12501053)]