21000844466

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{88903}}^1$

素因数の和:89318

約数の個数: 32

約数和(自身を含む): 36870266880

約数和(自身を除く): 15869422414

約数列:

[1, 2, 7, 14, 47, 94, 329, 359, 658, 718, 2513, 5026, 16873, 33746, 88903, 118111, 177806, 236222, 622321, 1244642, 4178441, 8356882, 29249087, 31916177, 58498174, 63832354, 223413239, 446826478, 1500060319, 3000120638, 10500422233, 21000844466]

約数ペア:

[(1, 21000844466), (2, 10500422233), (7, 3000120638), (14, 1500060319), (47, 446826478), (94, 223413239), (329, 63832354), (359, 58498174), (658, 31916177), (718, 29249087), (2513, 8356882), (5026, 4178441), (16873, 1244642), (33746, 622321), (88903, 236222), (118111, 177806)]