16685291220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21391399}}^1$

素因数の和:21391424

約数の個数: 48

約数和(自身を含む): 50312572800

約数和(自身を除く): 33627281580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21391399, 42782798, 64174197, 85565596, 106956995, 128348394, 213913990, 256696788, 278088187, 320870985, 427827980, 556176374, 641741970, 834264561, 1112352748, 1283483940, 1390440935, 1668529122, 2780881870, 3337058244, 4171322805, 5561763740, 8342645610, 16685291220]

約数ペア:

[(1, 16685291220), (2, 8342645610), (3, 5561763740), (4, 4171322805), (5, 3337058244), (6, 2780881870), (10, 1668529122), (12, 1390440935), (13, 1283483940), (15, 1112352748), (20, 834264561), (26, 641741970), (30, 556176374), (39, 427827980), (52, 320870985), (60, 278088187), (65, 256696788), (78, 213913990), (130, 128348394), (156, 106956995), (195, 85565596), (260, 64174197), (390, 42782798), (780, 21391399)]