21083790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7723}}^1$

素因数の和:7753

約数の個数: 64

約数和(自身を含む): 62286336

約数和(自身を除く): 41202546

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7723, 15446, 23169, 38615, 46338, 54061, 77230, 100399, 108122, 115845, 162183, 200798, 231690, 270305, 301197, 324366, 501995, 540610, 602394, 702793, 810915, 1003990, 1405586, 1505985, 1621830, 2108379, 3011970, 3513965, 4216758, 7027930, 10541895, 21083790]

約数ペア:

[(1, 21083790), (2, 10541895), (3, 7027930), (5, 4216758), (6, 3513965), (7, 3011970), (10, 2108379), (13, 1621830), (14, 1505985), (15, 1405586), (21, 1003990), (26, 810915), (30, 702793), (35, 602394), (39, 540610), (42, 501995), (65, 324366), (70, 301197), (78, 270305), (91, 231690), (105, 200798), (130, 162183), (182, 115845), (195, 108122), (210, 100399), (273, 77230), (390, 54061), (455, 46338), (546, 38615), (910, 23169), (1365, 15446), (2730, 7723)]