21364140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{50867}}^1$

素因数の和:50886

約数の個数: 48

約数和(自身を含む): 68366592

約数和(自身を除く): 47002452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 50867, 101734, 152601, 203468, 254335, 305202, 356069, 508670, 610404, 712138, 763005, 1017340, 1068207, 1424276, 1526010, 1780345, 2136414, 3052020, 3560690, 4272828, 5341035, 7121380, 10682070, 21364140]

約数ペア:

[(1, 21364140), (2, 10682070), (3, 7121380), (4, 5341035), (5, 4272828), (6, 3560690), (7, 3052020), (10, 2136414), (12, 1780345), (14, 1526010), (15, 1424276), (20, 1068207), (21, 1017340), (28, 763005), (30, 712138), (35, 610404), (42, 508670), (60, 356069), (70, 305202), (84, 254335), (105, 203468), (140, 152601), (210, 101734), (420, 50867)]