21179970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33619}}^1$

素因数の和:33639

約数の個数: 48

約数和(自身を含む): 62936640

約数和(自身を除く): 41756670

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33619, 67238, 100857, 168095, 201714, 235333, 302571, 336190, 470666, 504285, 605142, 705999, 1008570, 1176665, 1411998, 1512855, 2117997, 2353330, 3025710, 3529995, 4235994, 7059990, 10589985, 21179970]

約数ペア:

[(1, 21179970), (2, 10589985), (3, 7059990), (5, 4235994), (6, 3529995), (7, 3025710), (9, 2353330), (10, 2117997), (14, 1512855), (15, 1411998), (18, 1176665), (21, 1008570), (30, 705999), (35, 605142), (42, 504285), (45, 470666), (63, 336190), (70, 302571), (90, 235333), (105, 201714), (126, 168095), (210, 100857), (315, 67238), (630, 33619)]