21970998

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4253}}^1$

素因数の和:4309

約数の個数: 48

約数和(自身を含む): 55744416

約数和(自身を除く): 33773418

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 4253, 5166, 8506, 12759, 25518, 29771, 38277, 59542, 76554, 89313, 174373, 178626, 267939, 348746, 523119, 535878, 1046238, 1220611, 1569357, 2441222, 3138714, 3661833, 7323666, 10985499, 21970998]

約数ペア:

[(1, 21970998), (2, 10985499), (3, 7323666), (6, 3661833), (7, 3138714), (9, 2441222), (14, 1569357), (18, 1220611), (21, 1046238), (41, 535878), (42, 523119), (63, 348746), (82, 267939), (123, 178626), (126, 174373), (246, 89313), (287, 76554), (369, 59542), (574, 38277), (738, 29771), (861, 25518), (1722, 12759), (2583, 8506), (4253, 5166)]