21008338128

素因数分解:

$2^4\times 3^2\times {\mathrm{2083}}^1\times {\mathrm{70039}}^1$

素因数の和:72136

約数の個数: 60

約数和(自身を含む): 58823234080

約数和(自身を除く): 37814895952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 2083, 4166, 6249, 8332, 12498, 16664, 18747, 24996, 33328, 37494, 49992, 70039, 74988, 99984, 140078, 149976, 210117, 280156, 299952, 420234, 560312, 630351, 840468, 1120624, 1260702, 1680936, 2521404, 3361872, 5042808, 10085616, 145891237, 291782474, 437673711, 583564948, 875347422, 1167129896, 1313021133, 1750694844, 2334259792, 2626042266, 3501389688, 5252084532, 7002779376, 10504169064, 21008338128]

約数ペア:

[(1, 21008338128), (2, 10504169064), (3, 7002779376), (4, 5252084532), (6, 3501389688), (8, 2626042266), (9, 2334259792), (12, 1750694844), (16, 1313021133), (18, 1167129896), (24, 875347422), (36, 583564948), (48, 437673711), (72, 291782474), (144, 145891237), (2083, 10085616), (4166, 5042808), (6249, 3361872), (8332, 2521404), (12498, 1680936), (16664, 1260702), (18747, 1120624), (24996, 840468), (33328, 630351), (37494, 560312), (49992, 420234), (70039, 299952), (74988, 280156), (99984, 210117), (140078, 149976)]