21287401490

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{307}}^1\times {\mathrm{41521}}^1$

素因数の和:42002

約数の個数: 32

約数和(自身を含む): 38673258624

約数和(自身を除く): 17385857134

約数列:

[1, 2, 5, 10, 167, 307, 334, 614, 835, 1535, 1670, 3070, 41521, 51269, 83042, 102538, 207605, 256345, 415210, 512690, 6934007, 12746947, 13868014, 25493894, 34670035, 63734735, 69340070, 127469470, 2128740149, 4257480298, 10643700745, 21287401490]

約数ペア:

[(1, 21287401490), (2, 10643700745), (5, 4257480298), (10, 2128740149), (167, 127469470), (307, 69340070), (334, 63734735), (614, 34670035), (835, 25493894), (1535, 13868014), (1670, 12746947), (3070, 6934007), (41521, 512690), (51269, 415210), (83042, 256345), (102538, 207605)]