21033950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3163}}^1$

素因数の和:3201

約数の個数: 48

約数和(自身を含む): 47080320

約数和(自身を除く): 26046370

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 3163, 3325, 6326, 6650, 15815, 22141, 31630, 44282, 60097, 79075, 110705, 120194, 158150, 221410, 300485, 420679, 553525, 600970, 841358, 1107050, 1502425, 2103395, 3004850, 4206790, 10516975, 21033950]

約数ペア:

[(1, 21033950), (2, 10516975), (5, 4206790), (7, 3004850), (10, 2103395), (14, 1502425), (19, 1107050), (25, 841358), (35, 600970), (38, 553525), (50, 420679), (70, 300485), (95, 221410), (133, 158150), (175, 120194), (190, 110705), (266, 79075), (350, 60097), (475, 44282), (665, 31630), (950, 22141), (1330, 15815), (3163, 6650), (3325, 6326)]