21653586868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1\times {\mathrm{8923}}^1$

素因数の和:9352

約数の個数: 48

約数和(自身を含む): 40587208704

約数和(自身を除く): 18933621836

約数列:

[1, 2, 4, 17, 34, 68, 127, 254, 281, 508, 562, 1124, 2159, 4318, 4777, 8636, 8923, 9554, 17846, 19108, 35687, 35692, 71374, 142748, 151691, 303382, 606679, 606764, 1133221, 1213358, 2266442, 2426716, 2507363, 4532884, 5014726, 10029452, 19264757, 38529514, 42625171, 77059028, 85250342, 170500684, 318435101, 636870202, 1273740404, 5413396717, 10826793434, 21653586868]

約数ペア:

[(1, 21653586868), (2, 10826793434), (4, 5413396717), (17, 1273740404), (34, 636870202), (68, 318435101), (127, 170500684), (254, 85250342), (281, 77059028), (508, 42625171), (562, 38529514), (1124, 19264757), (2159, 10029452), (4318, 5014726), (4777, 4532884), (8636, 2507363), (8923, 2426716), (9554, 2266442), (17846, 1213358), (19108, 1133221), (35687, 606764), (35692, 606679), (71374, 303382), (142748, 151691)]