21302148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{691}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 57042944

約数和(自身を除く): 35740796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 367, 691, 734, 1101, 1382, 1468, 2073, 2202, 2569, 2764, 4146, 4404, 4837, 5138, 7707, 8292, 9674, 10276, 14511, 15414, 19348, 29022, 30828, 58044, 253597, 507194, 760791, 1014388, 1521582, 1775179, 3043164, 3550358, 5325537, 7100716, 10651074, 21302148]

約数ペア:

[(1, 21302148), (2, 10651074), (3, 7100716), (4, 5325537), (6, 3550358), (7, 3043164), (12, 1775179), (14, 1521582), (21, 1014388), (28, 760791), (42, 507194), (84, 253597), (367, 58044), (691, 30828), (734, 29022), (1101, 19348), (1382, 15414), (1468, 14511), (2073, 10276), (2202, 9674), (2569, 8292), (2764, 7707), (4146, 5138), (4404, 4837)]