21836710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 48107520

約数和(自身を除く): 26270810

約数列:

[1, 2, 5, 7, 10, 14, 29, 31, 35, 58, 62, 70, 145, 155, 203, 217, 290, 310, 347, 406, 434, 694, 899, 1015, 1085, 1735, 1798, 2030, 2170, 2429, 3470, 4495, 4858, 6293, 8990, 10063, 10757, 12145, 12586, 20126, 21514, 24290, 31465, 50315, 53785, 62930, 70441, 75299, 100630, 107570, 140882, 150598, 311953, 352205, 376495, 623906, 704410, 752990, 1559765, 2183671, 3119530, 4367342, 10918355, 21836710]

約数ペア:

[(1, 21836710), (2, 10918355), (5, 4367342), (7, 3119530), (10, 2183671), (14, 1559765), (29, 752990), (31, 704410), (35, 623906), (58, 376495), (62, 352205), (70, 311953), (145, 150598), (155, 140882), (203, 107570), (217, 100630), (290, 75299), (310, 70441), (347, 62930), (406, 53785), (434, 50315), (694, 31465), (899, 24290), (1015, 21514), (1085, 20126), (1735, 12586), (1798, 12145), (2030, 10757), (2170, 10063), (2429, 8990), (3470, 6293), (4495, 4858)]