21660030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34381}}^1$

素因数の和:34401

約数の個数: 48

約数和(自身を含む): 64363104

約数和(自身を除く): 42703074

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, 34381, 68762, 103143, 171905, 206286, 240667, 309429, 343810, 481334, 515715, 618858, 722001, 1031430, 1203335, 1444002, 1547145, 2166003, 2406670, 3094290, 3610005, 4332006, 7220010, 10830015, 21660030]

約数ペア:

[(1, 21660030), (2, 10830015), (3, 7220010), (5, 4332006), (6, 3610005), (7, 3094290), (9, 2406670), (10, 2166003), (14, 1547145), (15, 1444002), (18, 1203335), (21, 1031430), (30, 722001), (35, 618858), (42, 515715), (45, 481334), (63, 343810), (70, 309429), (90, 240667), (105, 206286), (126, 171905), (210, 103143), (315, 68762), (630, 34381)]