21371070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{683}}^1$

素因数の和:849

約数の個数: 64

約数和(自身を含む): 59097600

約数和(自身を除く): 37726530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 149, 210, 298, 447, 683, 745, 894, 1043, 1366, 1490, 2049, 2086, 2235, 3129, 3415, 4098, 4470, 4781, 5215, 6258, 6830, 9562, 10245, 10430, 14343, 15645, 20490, 23905, 28686, 31290, 47810, 71715, 101767, 143430, 203534, 305301, 508835, 610602, 712369, 1017670, 1424738, 1526505, 2137107, 3053010, 3561845, 4274214, 7123690, 10685535, 21371070]

約数ペア:

[(1, 21371070), (2, 10685535), (3, 7123690), (5, 4274214), (6, 3561845), (7, 3053010), (10, 2137107), (14, 1526505), (15, 1424738), (21, 1017670), (30, 712369), (35, 610602), (42, 508835), (70, 305301), (105, 203534), (149, 143430), (210, 101767), (298, 71715), (447, 47810), (683, 31290), (745, 28686), (894, 23905), (1043, 20490), (1366, 15645), (1490, 14343), (2049, 10430), (2086, 10245), (2235, 9562), (3129, 6830), (3415, 6258), (4098, 5215), (4470, 4781)]