21369306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^2$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 52017984

約数和(自身を除く): 30648678

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 173, 238, 346, 357, 519, 714, 1038, 1211, 2422, 2941, 3633, 5882, 7266, 8823, 17646, 20587, 29929, 41174, 59858, 61761, 89787, 123522, 179574, 209503, 419006, 508793, 628509, 1017586, 1257018, 1526379, 3052758, 3561551, 7123102, 10684653, 21369306]

約数ペア:

[(1, 21369306), (2, 10684653), (3, 7123102), (6, 3561551), (7, 3052758), (14, 1526379), (17, 1257018), (21, 1017586), (34, 628509), (42, 508793), (51, 419006), (102, 209503), (119, 179574), (173, 123522), (238, 89787), (346, 61761), (357, 59858), (519, 41174), (714, 29929), (1038, 20587), (1211, 17646), (2422, 8823), (2941, 7266), (3633, 5882)]