21550294808

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1301}}^1\times {\mathrm{5581}}^1$

素因数の和:6948

約数の個数: 64

約数和(自身を含む): 47095110720

約数和(自身を除く): 25544815912

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1301, 1484, 2602, 2968, 5204, 5581, 9107, 10408, 11162, 18214, 22324, 36428, 39067, 44648, 68953, 72856, 78134, 137906, 156268, 275812, 295793, 312536, 482671, 551624, 591586, 965342, 1183172, 1930684, 2070551, 2366344, 3861368, 4141102, 7260881, 8282204, 14521762, 16564408, 29043524, 50826167, 58087048, 101652334, 203304668, 384826693, 406609336, 769653386, 1539306772, 2693786851, 3078613544, 5387573702, 10775147404, 21550294808]

約数ペア:

[(1, 21550294808), (2, 10775147404), (4, 5387573702), (7, 3078613544), (8, 2693786851), (14, 1539306772), (28, 769653386), (53, 406609336), (56, 384826693), (106, 203304668), (212, 101652334), (371, 58087048), (424, 50826167), (742, 29043524), (1301, 16564408), (1484, 14521762), (2602, 8282204), (2968, 7260881), (5204, 4141102), (5581, 3861368), (9107, 2366344), (10408, 2070551), (11162, 1930684), (18214, 1183172), (22324, 965342), (36428, 591586), (39067, 551624), (44648, 482671), (68953, 312536), (72856, 295793), (78134, 275812), (137906, 156268)]