21610470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 61576416

約数和(自身を除く): 39965946

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 61, 70, 98, 105, 122, 147, 183, 210, 241, 245, 294, 305, 366, 427, 482, 490, 610, 723, 735, 854, 915, 1205, 1281, 1446, 1470, 1687, 1830, 2135, 2410, 2562, 2989, 3374, 3615, 4270, 5061, 5978, 6405, 7230, 8435, 8967, 10122, 11809, 12810, 14701, 14945, 16870, 17934, 23618, 25305, 29402, 29890, 35427, 44103, 44835, 50610, 59045, 70854, 73505, 88206, 89670, 102907, 118090, 147010, 177135, 205814, 220515, 308721, 354270, 441030, 514535, 617442, 720349, 1029070, 1440698, 1543605, 2161047, 3087210, 3601745, 4322094, 7203490, 10805235, 21610470]

約数ペア:

[(1, 21610470), (2, 10805235), (3, 7203490), (5, 4322094), (6, 3601745), (7, 3087210), (10, 2161047), (14, 1543605), (15, 1440698), (21, 1029070), (30, 720349), (35, 617442), (42, 514535), (49, 441030), (61, 354270), (70, 308721), (98, 220515), (105, 205814), (122, 177135), (147, 147010), (183, 118090), (210, 102907), (241, 89670), (245, 88206), (294, 73505), (305, 70854), (366, 59045), (427, 50610), (482, 44835), (490, 44103), (610, 35427), (723, 29890), (735, 29402), (854, 25305), (915, 23618), (1205, 17934), (1281, 16870), (1446, 14945), (1470, 14701), (1687, 12810), (1830, 11809), (2135, 10122), (2410, 8967), (2562, 8435), (2989, 7230), (3374, 6405), (3615, 5978), (4270, 5061)]