21700700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1069}}^1$

素因数の和:1119

約数の個数: 72

約数和(自身を含む): 55725600

約数和(自身を除く): 34024900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 1015, 1069, 1450, 2030, 2138, 2900, 4060, 4276, 5075, 5345, 7483, 10150, 10690, 14966, 20300, 21380, 26725, 29932, 31001, 37415, 53450, 62002, 74830, 106900, 124004, 149660, 155005, 187075, 217007, 310010, 374150, 434014, 620020, 748300, 775025, 868028, 1085035, 1550050, 2170070, 3100100, 4340140, 5425175, 10850350, 21700700]

約数ペア:

[(1, 21700700), (2, 10850350), (4, 5425175), (5, 4340140), (7, 3100100), (10, 2170070), (14, 1550050), (20, 1085035), (25, 868028), (28, 775025), (29, 748300), (35, 620020), (50, 434014), (58, 374150), (70, 310010), (100, 217007), (116, 187075), (140, 155005), (145, 149660), (175, 124004), (203, 106900), (290, 74830), (350, 62002), (406, 53450), (580, 37415), (700, 31001), (725, 29932), (812, 26725), (1015, 21380), (1069, 20300), (1450, 14966), (2030, 10690), (2138, 10150), (2900, 7483), (4060, 5345), (4276, 5075)]