21625128

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:527

約数の個数: 96

約数和(自身を含む): 67728960

約数和(自身を除く): 46103832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 107, 126, 168, 214, 252, 321, 401, 428, 504, 642, 749, 802, 856, 963, 1203, 1284, 1498, 1604, 1926, 2247, 2406, 2568, 2807, 2996, 3208, 3609, 3852, 4494, 4812, 5614, 5992, 6741, 7218, 7704, 8421, 8988, 9624, 11228, 13482, 14436, 16842, 17976, 22456, 25263, 26964, 28872, 33684, 42907, 50526, 53928, 67368, 85814, 101052, 128721, 171628, 202104, 257442, 300349, 343256, 386163, 514884, 600698, 772326, 901047, 1029768, 1201396, 1544652, 1802094, 2402792, 2703141, 3089304, 3604188, 5406282, 7208376, 10812564, 21625128]

約数ペア:

[(1, 21625128), (2, 10812564), (3, 7208376), (4, 5406282), (6, 3604188), (7, 3089304), (8, 2703141), (9, 2402792), (12, 1802094), (14, 1544652), (18, 1201396), (21, 1029768), (24, 901047), (28, 772326), (36, 600698), (42, 514884), (56, 386163), (63, 343256), (72, 300349), (84, 257442), (107, 202104), (126, 171628), (168, 128721), (214, 101052), (252, 85814), (321, 67368), (401, 53928), (428, 50526), (504, 42907), (642, 33684), (749, 28872), (802, 26964), (856, 25263), (963, 22456), (1203, 17976), (1284, 16842), (1498, 14436), (1604, 13482), (1926, 11228), (2247, 9624), (2406, 8988), (2568, 8421), (2807, 7704), (2996, 7218), (3208, 6741), (3609, 5992), (3852, 5614), (4494, 4812)]