213213210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{145043}}^1$

素因数の和:145067

約数の個数: 48

約数和(自身を含む): 595260576

約数和(自身を除く): 382047366

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 145043, 290086, 435129, 725215, 870258, 1015301, 1450430, 2030602, 2175645, 3045903, 4351290, 5076505, 6091806, 7107107, 10153010, 14214214, 15229515, 21321321, 30459030, 35535535, 42642642, 71071070, 106606605, 213213210]

約数ペア:

[(1, 213213210), (2, 106606605), (3, 71071070), (5, 42642642), (6, 35535535), (7, 30459030), (10, 21321321), (14, 15229515), (15, 14214214), (21, 10153010), (30, 7107107), (35, 6091806), (42, 5076505), (49, 4351290), (70, 3045903), (98, 2175645), (105, 2030602), (147, 1450430), (210, 1015301), (245, 870258), (294, 725215), (490, 435129), (735, 290086), (1470, 145043)]