21492956247

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2477}}^1\times {\mathrm{4091}}^1$

素因数の和:6679

約数の個数: 32

約数和(自身を含む): 33096881664

約数和(自身を除く): 11603925417

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 2477, 4091, 7431, 12273, 17339, 28637, 52017, 85911, 250177, 413191, 750531, 1239573, 1751239, 2892337, 5253717, 8677011, 10133407, 30400221, 70933849, 212801547, 1023474107, 3070422321, 7164318749, 21492956247]

約数ペア:

[(1, 21492956247), (3, 7164318749), (7, 3070422321), (21, 1023474107), (101, 212801547), (303, 70933849), (707, 30400221), (2121, 10133407), (2477, 8677011), (4091, 5253717), (7431, 2892337), (12273, 1751239), (17339, 1239573), (28637, 750531), (52017, 413191), (85911, 250177)]