21165775345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{2803}}^1$

素因数の和:3070

約数の個数: 64

約数和(自身を含む): 30525465600

約数和(自身を除く): 9359690255

約数列:

[1, 5, 11, 13, 55, 59, 65, 143, 179, 295, 649, 715, 767, 895, 1969, 2327, 2803, 3245, 3835, 8437, 9845, 10561, 11635, 14015, 25597, 30833, 36439, 42185, 52805, 116171, 127985, 137293, 154165, 165377, 182195, 400829, 501737, 580855, 686465, 826885, 1510223, 1819147, 2004145, 2149901, 2508685, 5519107, 6522581, 7551115, 9095735, 10749505, 23648911, 27595535, 29602483, 32612905, 71748391, 118244555, 148012415, 325627313, 358741955, 384832279, 1628136565, 1924161395, 4233155069, 21165775345]

約数ペア:

[(1, 21165775345), (5, 4233155069), (11, 1924161395), (13, 1628136565), (55, 384832279), (59, 358741955), (65, 325627313), (143, 148012415), (179, 118244555), (295, 71748391), (649, 32612905), (715, 29602483), (767, 27595535), (895, 23648911), (1969, 10749505), (2327, 9095735), (2803, 7551115), (3245, 6522581), (3835, 5519107), (8437, 2508685), (9845, 2149901), (10561, 2004145), (11635, 1819147), (14015, 1510223), (25597, 826885), (30833, 686465), (36439, 580855), (42185, 501737), (52805, 400829), (116171, 182195), (127985, 165377), (137293, 154165)]