21007424788

素因数分解:

$2^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1153}}^1\times {\mathrm{1553}}^1$

素因数の和:3136

約数の個数: 48

約数和(自身を含む): 42178792320

約数和(自身を除く): 21171367532

約数列:

[1, 2, 4, 7, 14, 28, 419, 838, 1153, 1553, 1676, 2306, 2933, 3106, 4612, 5866, 6212, 8071, 10871, 11732, 16142, 21742, 32284, 43484, 483107, 650707, 966214, 1301414, 1790609, 1932428, 2602828, 3381749, 3581218, 4554949, 6763498, 7162436, 9109898, 12534263, 13526996, 18219796, 25068526, 50137052, 750265171, 1500530342, 3001060684, 5251856197, 10503712394, 21007424788]

約数ペア:

[(1, 21007424788), (2, 10503712394), (4, 5251856197), (7, 3001060684), (14, 1500530342), (28, 750265171), (419, 50137052), (838, 25068526), (1153, 18219796), (1553, 13526996), (1676, 12534263), (2306, 9109898), (2933, 7162436), (3106, 6763498), (4612, 4554949), (5866, 3581218), (6212, 3381749), (8071, 2602828), (10871, 1932428), (11732, 1790609), (16142, 1301414), (21742, 966214), (32284, 650707), (43484, 483107)]