21701460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 67060224

約数和(自身を除く): 45358764

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 131, 132, 165, 220, 251, 262, 330, 393, 502, 524, 655, 660, 753, 786, 1004, 1255, 1310, 1441, 1506, 1572, 1965, 2510, 2620, 2761, 2882, 3012, 3765, 3930, 4323, 5020, 5522, 5764, 7205, 7530, 7860, 8283, 8646, 11044, 13805, 14410, 15060, 16566, 17292, 21615, 27610, 28820, 32881, 33132, 41415, 43230, 55220, 65762, 82830, 86460, 98643, 131524, 164405, 165660, 197286, 328810, 361691, 394572, 493215, 657620, 723382, 986430, 1085073, 1446764, 1808455, 1972860, 2170146, 3616910, 4340292, 5425365, 7233820, 10850730, 21701460]

約数ペア:

[(1, 21701460), (2, 10850730), (3, 7233820), (4, 5425365), (5, 4340292), (6, 3616910), (10, 2170146), (11, 1972860), (12, 1808455), (15, 1446764), (20, 1085073), (22, 986430), (30, 723382), (33, 657620), (44, 493215), (55, 394572), (60, 361691), (66, 328810), (110, 197286), (131, 165660), (132, 164405), (165, 131524), (220, 98643), (251, 86460), (262, 82830), (330, 65762), (393, 55220), (502, 43230), (524, 41415), (655, 33132), (660, 32881), (753, 28820), (786, 27610), (1004, 21615), (1255, 17292), (1310, 16566), (1441, 15060), (1506, 14410), (1572, 13805), (1965, 11044), (2510, 8646), (2620, 8283), (2761, 7860), (2882, 7530), (3012, 7205), (3765, 5764), (3930, 5522), (4323, 5020)]