21073850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3169}}^1$

素因数の和:3207

約数の個数: 48

約数和(自身を含む): 47169600

約数和(自身を除く): 26095750

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, 3169, 3325, 6338, 6650, 15845, 22183, 31690, 44366, 60211, 79225, 110915, 120422, 158450, 221830, 301055, 421477, 554575, 602110, 842954, 1109150, 1505275, 2107385, 3010550, 4214770, 10536925, 21073850]

約数ペア:

[(1, 21073850), (2, 10536925), (5, 4214770), (7, 3010550), (10, 2107385), (14, 1505275), (19, 1109150), (25, 842954), (35, 602110), (38, 554575), (50, 421477), (70, 301055), (95, 221830), (133, 158450), (175, 120422), (190, 110915), (266, 79225), (350, 60211), (475, 44366), (665, 31690), (950, 22183), (1330, 15845), (3169, 6650), (3325, 6338)]