21070830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{953}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 56049408

約数和(自身を除く): 34978578

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 67, 110, 134, 165, 201, 330, 335, 402, 670, 737, 953, 1005, 1474, 1906, 2010, 2211, 2859, 3685, 4422, 4765, 5718, 7370, 9530, 10483, 11055, 14295, 20966, 22110, 28590, 31449, 52415, 62898, 63851, 104830, 127702, 157245, 191553, 314490, 319255, 383106, 638510, 702361, 957765, 1404722, 1915530, 2107083, 3511805, 4214166, 7023610, 10535415, 21070830]

約数ペア:

[(1, 21070830), (2, 10535415), (3, 7023610), (5, 4214166), (6, 3511805), (10, 2107083), (11, 1915530), (15, 1404722), (22, 957765), (30, 702361), (33, 638510), (55, 383106), (66, 319255), (67, 314490), (110, 191553), (134, 157245), (165, 127702), (201, 104830), (330, 63851), (335, 62898), (402, 52415), (670, 31449), (737, 28590), (953, 22110), (1005, 20966), (1474, 14295), (1906, 11055), (2010, 10483), (2211, 9530), (2859, 7370), (3685, 5718), (4422, 4765)]