21256554480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12652711}}^1$

素因数の和:12652734

約数の個数: 80

約数和(自身を含む): 75308941824

約数和(自身を除く): 54052387344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12652711, 25305422, 37958133, 50610844, 63263555, 75916266, 88568977, 101221688, 126527110, 151832532, 177137954, 189790665, 202443376, 253054220, 265706931, 303665064, 354275908, 379581330, 442844885, 506108440, 531413862, 607330128, 708551816, 759162660, 885689770, 1012216880, 1062827724, 1328534655, 1417103632, 1518325320, 1771379540, 2125655448, 2657069310, 3036650640, 3542759080, 4251310896, 5314138620, 7085518160, 10628277240, 21256554480]

約数ペア:

[(1, 21256554480), (2, 10628277240), (3, 7085518160), (4, 5314138620), (5, 4251310896), (6, 3542759080), (7, 3036650640), (8, 2657069310), (10, 2125655448), (12, 1771379540), (14, 1518325320), (15, 1417103632), (16, 1328534655), (20, 1062827724), (21, 1012216880), (24, 885689770), (28, 759162660), (30, 708551816), (35, 607330128), (40, 531413862), (42, 506108440), (48, 442844885), (56, 379581330), (60, 354275908), (70, 303665064), (80, 265706931), (84, 253054220), (105, 202443376), (112, 189790665), (120, 177137954), (140, 151832532), (168, 126527110), (210, 101221688), (240, 88568977), (280, 75916266), (336, 63263555), (420, 50610844), (560, 37958133), (840, 25305422), (1680, 12652711)]