21001900368

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{547609}}^1$

素因数の和:547684

約数の個数: 80

約数和(自身を含む): 58668744960

約数和(自身を除く): 37666844592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 47, 48, 51, 68, 94, 102, 136, 141, 188, 204, 272, 282, 376, 408, 564, 752, 799, 816, 1128, 1598, 2256, 2397, 3196, 4794, 6392, 9588, 12784, 19176, 38352, 547609, 1095218, 1642827, 2190436, 3285654, 4380872, 6571308, 8761744, 9309353, 13142616, 18618706, 25737623, 26285232, 27928059, 37237412, 51475246, 55856118, 74474824, 77212869, 102950492, 111712236, 148949648, 154425738, 205900984, 223424472, 308851476, 411801968, 437539591, 446848944, 617702952, 875079182, 1235405904, 1312618773, 1750158364, 2625237546, 3500316728, 5250475092, 7000633456, 10500950184, 21001900368]

約数ペア:

[(1, 21001900368), (2, 10500950184), (3, 7000633456), (4, 5250475092), (6, 3500316728), (8, 2625237546), (12, 1750158364), (16, 1312618773), (17, 1235405904), (24, 875079182), (34, 617702952), (47, 446848944), (48, 437539591), (51, 411801968), (68, 308851476), (94, 223424472), (102, 205900984), (136, 154425738), (141, 148949648), (188, 111712236), (204, 102950492), (272, 77212869), (282, 74474824), (376, 55856118), (408, 51475246), (564, 37237412), (752, 27928059), (799, 26285232), (816, 25737623), (1128, 18618706), (1598, 13142616), (2256, 9309353), (2397, 8761744), (3196, 6571308), (4794, 4380872), (6392, 3285654), (9588, 2190436), (12784, 1642827), (19176, 1095218), (38352, 547609)]