21091313908

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2699}}^1\times {\mathrm{16417}}^1$

素因数の和:19144

約数の個数: 48

約数和(自身を含む): 44683228800

約数和(自身を除く): 23591914892

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 2699, 5398, 10796, 16417, 18893, 32834, 37786, 45883, 65668, 75572, 91766, 114919, 183532, 229838, 279089, 321181, 459676, 558178, 642362, 1116356, 1284724, 1953623, 3907246, 7814492, 44309483, 88618966, 177237932, 310166381, 620332762, 753261211, 1240665524, 1506522422, 3013044844, 5272828477, 10545656954, 21091313908]

約数ペア:

[(1, 21091313908), (2, 10545656954), (4, 5272828477), (7, 3013044844), (14, 1506522422), (17, 1240665524), (28, 753261211), (34, 620332762), (68, 310166381), (119, 177237932), (238, 88618966), (476, 44309483), (2699, 7814492), (5398, 3907246), (10796, 1953623), (16417, 1284724), (18893, 1116356), (32834, 642362), (37786, 558178), (45883, 459676), (65668, 321181), (75572, 279089), (91766, 229838), (114919, 183532)]