21755376

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8887}}^1$

素因数の和:8918

約数の個数: 60

約数和(自身を含む): 64473552

約数和(自身を除く): 42718176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8887, 17774, 26661, 35548, 53322, 71096, 79983, 106644, 142192, 151079, 159966, 213288, 302158, 319932, 426576, 453237, 604316, 639864, 906474, 1208632, 1279728, 1359711, 1812948, 2417264, 2719422, 3625896, 5438844, 7251792, 10877688, 21755376]

約数ペア:

[(1, 21755376), (2, 10877688), (3, 7251792), (4, 5438844), (6, 3625896), (8, 2719422), (9, 2417264), (12, 1812948), (16, 1359711), (17, 1279728), (18, 1208632), (24, 906474), (34, 639864), (36, 604316), (48, 453237), (51, 426576), (68, 319932), (72, 302158), (102, 213288), (136, 159966), (144, 151079), (153, 142192), (204, 106644), (272, 79983), (306, 71096), (408, 53322), (612, 35548), (816, 26661), (1224, 17774), (2448, 8887)]