21955194

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 50799528

約数和(自身を除く): 28844334

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 157, 306, 314, 457, 471, 914, 942, 1371, 1413, 2669, 2742, 2826, 4113, 5338, 7769, 8007, 8226, 15538, 16014, 23307, 24021, 46614, 48042, 69921, 71749, 139842, 143498, 215247, 430494, 645741, 1219733, 1291482, 2439466, 3659199, 7318398, 10977597, 21955194]

約数ペア:

[(1, 21955194), (2, 10977597), (3, 7318398), (6, 3659199), (9, 2439466), (17, 1291482), (18, 1219733), (34, 645741), (51, 430494), (102, 215247), (153, 143498), (157, 139842), (306, 71749), (314, 69921), (457, 48042), (471, 46614), (914, 24021), (942, 23307), (1371, 16014), (1413, 15538), (2669, 8226), (2742, 8007), (2826, 7769), (4113, 5338)]