21957507429

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{13229}}^1$

素因数の和:13382

約数の個数: 64

約数和(自身を含む): 35526677760

約数和(自身を除く): 13569170331

約数列:

[1, 3, 11, 13, 33, 39, 53, 73, 143, 159, 219, 429, 583, 689, 803, 949, 1749, 2067, 2409, 2847, 3869, 7579, 10439, 11607, 13229, 22737, 31317, 39687, 42559, 50297, 127677, 145519, 150891, 171977, 436557, 515931, 553267, 701137, 965717, 1659801, 1891747, 2103411, 2897151, 5675241, 7712507, 9114781, 10622887, 12554321, 23137521, 27344343, 31868661, 37662963, 51183001, 100262591, 138097531, 153549003, 300787773, 414292593, 563013011, 665379013, 1689039033, 1996137039, 7319169143, 21957507429]

約数ペア:

[(1, 21957507429), (3, 7319169143), (11, 1996137039), (13, 1689039033), (33, 665379013), (39, 563013011), (53, 414292593), (73, 300787773), (143, 153549003), (159, 138097531), (219, 100262591), (429, 51183001), (583, 37662963), (689, 31868661), (803, 27344343), (949, 23137521), (1749, 12554321), (2067, 10622887), (2409, 9114781), (2847, 7712507), (3869, 5675241), (7579, 2897151), (10439, 2103411), (11607, 1891747), (13229, 1659801), (22737, 965717), (31317, 701137), (39687, 553267), (42559, 515931), (50297, 436557), (127677, 171977), (145519, 150891)]