21847448

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 50621760

約数和(自身を除く): 28774312

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 53, 56, 68, 106, 119, 136, 212, 238, 371, 424, 433, 476, 742, 866, 901, 952, 1484, 1732, 1802, 2968, 3031, 3464, 3604, 6062, 6307, 7208, 7361, 12124, 12614, 14722, 22949, 24248, 25228, 29444, 45898, 50456, 51527, 58888, 91796, 103054, 160643, 183592, 206108, 321286, 390133, 412216, 642572, 780266, 1285144, 1560532, 2730931, 3121064, 5461862, 10923724, 21847448]

約数ペア:

[(1, 21847448), (2, 10923724), (4, 5461862), (7, 3121064), (8, 2730931), (14, 1560532), (17, 1285144), (28, 780266), (34, 642572), (53, 412216), (56, 390133), (68, 321286), (106, 206108), (119, 183592), (136, 160643), (212, 103054), (238, 91796), (371, 58888), (424, 51527), (433, 50456), (476, 45898), (742, 29444), (866, 25228), (901, 24248), (952, 22949), (1484, 14722), (1732, 12614), (1802, 12124), (2968, 7361), (3031, 7208), (3464, 6307), (3604, 6062)]