21954390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1667}}^1$

素因数の和:2116

約数の個数: 32

約数和(自身を含む): 52842240

約数和(自身を除く): 30887850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 439, 878, 1317, 1667, 2195, 2634, 3334, 4390, 5001, 6585, 8335, 10002, 13170, 16670, 25005, 50010, 731813, 1463626, 2195439, 3659065, 4390878, 7318130, 10977195, 21954390]

約数ペア:

[(1, 21954390), (2, 10977195), (3, 7318130), (5, 4390878), (6, 3659065), (10, 2195439), (15, 1463626), (30, 731813), (439, 50010), (878, 25005), (1317, 16670), (1667, 13170), (2195, 10002), (2634, 8335), (3334, 6585), (4390, 5001)]