21895230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2543}}^1$

素因数の和:2601

約数の個数: 64

約数和(自身を含む): 61544448

約数和(自身を除く): 39649218

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 70, 82, 105, 123, 205, 210, 246, 287, 410, 574, 615, 861, 1230, 1435, 1722, 2543, 2870, 4305, 5086, 7629, 8610, 12715, 15258, 17801, 25430, 35602, 38145, 53403, 76290, 89005, 104263, 106806, 178010, 208526, 267015, 312789, 521315, 534030, 625578, 729841, 1042630, 1459682, 1563945, 2189523, 3127890, 3649205, 4379046, 7298410, 10947615, 21895230]

約数ペア:

[(1, 21895230), (2, 10947615), (3, 7298410), (5, 4379046), (6, 3649205), (7, 3127890), (10, 2189523), (14, 1563945), (15, 1459682), (21, 1042630), (30, 729841), (35, 625578), (41, 534030), (42, 521315), (70, 312789), (82, 267015), (105, 208526), (123, 178010), (205, 106806), (210, 104263), (246, 89005), (287, 76290), (410, 53403), (574, 38145), (615, 35602), (861, 25430), (1230, 17801), (1435, 15258), (1722, 12715), (2543, 8610), (2870, 7629), (4305, 5086)]