21016008

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22453}}^1$

素因数の和:22478

約数の個数: 48

約数和(自身を含む): 61299420

約数和(自身を除く): 40283412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22453, 44906, 67359, 89812, 134718, 179624, 202077, 269436, 291889, 404154, 538872, 583778, 808308, 875667, 1167556, 1616616, 1751334, 2335112, 2627001, 3502668, 5254002, 7005336, 10508004, 21016008]

約数ペア:

[(1, 21016008), (2, 10508004), (3, 7005336), (4, 5254002), (6, 3502668), (8, 2627001), (9, 2335112), (12, 1751334), (13, 1616616), (18, 1167556), (24, 875667), (26, 808308), (36, 583778), (39, 538872), (52, 404154), (72, 291889), (78, 269436), (104, 202077), (117, 179624), (156, 134718), (234, 89812), (312, 67359), (468, 44906), (936, 22453)]