21052204884

素因数分解:

$2^2\times 3^6\times {\mathrm{1657}}^1\times {\mathrm{4357}}^1$

素因数の和:6036

約数の個数: 84

約数和(自身を含む): 55282790164

約数和(自身を除く): 34230585280

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 1657, 2916, 3314, 4357, 4971, 6628, 8714, 9942, 13071, 14913, 17428, 19884, 26142, 29826, 39213, 44739, 52284, 59652, 78426, 89478, 117639, 134217, 156852, 178956, 235278, 268434, 352917, 402651, 470556, 536868, 705834, 805302, 1058751, 1207953, 1411668, 1610604, 2117502, 2415906, 3176253, 4235004, 4831812, 6352506, 7219549, 12705012, 14439098, 21658647, 28878196, 43317294, 64975941, 86634588, 129951882, 194927823, 259903764, 389855646, 584783469, 779711292, 1169566938, 1754350407, 2339133876, 3508700814, 5263051221, 7017401628, 10526102442, 21052204884]

約数ペア:

[(1, 21052204884), (2, 10526102442), (3, 7017401628), (4, 5263051221), (6, 3508700814), (9, 2339133876), (12, 1754350407), (18, 1169566938), (27, 779711292), (36, 584783469), (54, 389855646), (81, 259903764), (108, 194927823), (162, 129951882), (243, 86634588), (324, 64975941), (486, 43317294), (729, 28878196), (972, 21658647), (1458, 14439098), (1657, 12705012), (2916, 7219549), (3314, 6352506), (4357, 4831812), (4971, 4235004), (6628, 3176253), (8714, 2415906), (9942, 2117502), (13071, 1610604), (14913, 1411668), (17428, 1207953), (19884, 1058751), (26142, 805302), (29826, 705834), (39213, 536868), (44739, 470556), (52284, 402651), (59652, 352917), (78426, 268434), (89478, 235278), (117639, 178956), (134217, 156852)]