21903952

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{877}}^1$

素因数の和:1115

約数の個数: 40

約数和(自身を含む): 48774656

約数和(自身を除く): 26870704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 877, 892, 1561, 1754, 1784, 3122, 3508, 3568, 6139, 6244, 7016, 12278, 12488, 14032, 24556, 24976, 49112, 98224, 195571, 391142, 782284, 1368997, 1564568, 2737994, 3129136, 5475988, 10951976, 21903952]

約数ペア:

[(1, 21903952), (2, 10951976), (4, 5475988), (7, 3129136), (8, 2737994), (14, 1564568), (16, 1368997), (28, 782284), (56, 391142), (112, 195571), (223, 98224), (446, 49112), (877, 24976), (892, 24556), (1561, 14032), (1754, 12488), (1784, 12278), (3122, 7016), (3508, 6244), (3568, 6139)]